OUTLINE DIMENSION z SOT SOT-143 --------------------------------------------------------------------------------------------------------------------------------- A5 SOT-23-3 -------------------------------------------------------------------------------------------------------------------------------- A6 SOT-23-5 -------------------------------------------------------------------------------------------------------------------------------- A7 SOT-23-6 -------------------------------------------------------------------------------------------------------------------------------- A8 SOT-23-8 -------------------------------------------------------------------------------------------------------------------------------- A9 SOT-89 ---------------------------------------------------------------------------------------------------------------------------------- A10 SOT-89-5 -------------------------------------------------------------------------------------------------------------------------------- A11 SOT-223 --------------------------------------------------------------------------------------------------------------------------------- A12 SOT-223-5 ------------------------------------------------------------------------------------------------------------------------------ A13 SOT-563 --------------------------------------------------------------------------------------------------------------------------------- A14 z TSOT TSOT-23-3 TSOT-23-5 TSOT-23-6 TSOT-23-8 ------------------------------------------------------------------------------------------------------------------------------ A15 ------------------------------------------------------------------------------------------------------------------------------ A16 ------------------------------------------------------------------------------------------------------------------------------ A17 ------------------------------------------------------------------------------------------------------------------------------ A18 z TO TO-92 ------------------------------------------------------------------------------------------------------------------------------------ A19 TO-251 ----------------------------------------------------------------------------------------------------------------------------------- A20 TO-252 ----------------------------------------------------------------------------------------------------------------------------------- A21 TO-252-4 -------------------------------------------------------------------------------------------------------------------------------- A22 TO-252-5 -------------------------------------------------------------------------------------------------------------------------------- A23 TO-263 ----------------------------------------------------------------------------------------------------------------------------------- A24 TO-263-5 -------------------------------------------------------------------------------------------------------------------------------- A25 TO-263S-5 ------------------------------------------------------------------------------------------------------------------------------ A26 TO-263-7 -------------------------------------------------------------------------------------------------------------------------------- A27 TO-220 ----------------------------------------------------------------------------------------------------------------------------------- A28 TO-220-5 -------------------------------------------------------------------------------------------------------------------------------- A29 z SOP/DIP SOP-8 ----------------------------------------------------------------------------------------------------------------------------------- A30 SOP-14 ---------------------------------------------------------------------------------------------------------------------------------- A31 SOP-16 ---------------------------------------------------------------------------------------------------------------------------------- A32 SOP-20 ---------------------------------------------------------------------------------------------------------------------------------- A33 SOP-24 ---------------------------------------------------------------------------------------------------------------------------------- A34 SOP-24 (236mil) ---------------------------------------------------------------------------------------------------------------------- A35 SOP-28 ---------------------------------------------------------------------------------------------------------------------------------- A36 SOP-32 ---------------------------------------------------------------------------------------------------------------------------------- A37 SOP-8 (Exposed Pad) --------------------------------------------------------------------------------------------------------------- A38 DIP-8 ------------------------------------------------------------------------------------------------------------------------------------- A39 DIP-16 ----------------------------------------------------------------------------------------------------------------------------------- A40 OD-100330 www.richtek.com A-1 OUTLINE DIMENSION z SSOP SSOP-16 -------------------------------------------------------------------------------------------------------------------------------- A41 SSOP-24 -------------------------------------------------------------------------------------------------------------------------------- A42 SSOP-28 -------------------------------------------------------------------------------------------------------------------------------- A43 SSOP-30 -------------------------------------------------------------------------------------------------------------------------------- A44 z TSSOP TSSOP-8 -------------------------------------------------------------------------------------------------------------------------------- A45 TSSOP-14 ------------------------------------------------------------------------------------------------------------------------------ A46 TSSOP-16 ------------------------------------------------------------------------------------------------------------------------------ A47 TSSOP-20 ------------------------------------------------------------------------------------------------------------------------------ A48 TSSOP-24 ------------------------------------------------------------------------------------------------------------------------------ A49 TSSOP-28 ------------------------------------------------------------------------------------------------------------------------------ A50 TSSOP-32 ------------------------------------------------------------------------------------------------------------------------------ A51 TSSOP-14 (Exposed PAD) --------------------------------------------------------------------------------------------------------- A52 TSSOP-16 (Exposed PAD) --------------------------------------------------------------------------------------------------------- A53 TSSOP-24 (Exposed PAD) --------------------------------------------------------------------------------------------------------- A54 TSSOP-28 (Exposed PAD) --------------------------------------------------------------------------------------------------------- A55 z MSOP MSOP-8 --------------------------------------------------------------------------------------------------------------------------------- A56 MSOP-10 ------------------------------------------------------------------------------------------------------------------------------- A57 MSOP-8 (Exposed PAD) ------------------------------------------------------------------------------------------------------------ A58 MSOP-10 (Exposed PAD) ---------------------------------------------------------------------------------------------------------- A59 z SC SC-70-3 ---------------------------------------------------------------------------------------------------------------------------------- A60 SC-70-4 ---------------------------------------------------------------------------------------------------------------------------------- A61 SC-70-5 ---------------------------------------------------------------------------------------------------------------------------------- A62 SC-70-6 ---------------------------------------------------------------------------------------------------------------------------------- A63 SC-82 ------------------------------------------------------------------------------------------------------------------------------------ A64 z SOJ SOJ-2021-10L -------------------------------------------------------------------------------------------------------------------------- A65 z VQFN VQFN-3x3-16L ------------------------------------------------------------------------------------------------------------------------- A66 VQFN-4x4-16L ------------------------------------------------------------------------------------------------------------------------- A67 VQFN-4x4-20L ------------------------------------------------------------------------------------------------------------------------- A68 VQFN-4x4-24L ------------------------------------------------------------------------------------------------------------------------- A69 VQFN-5x5-16L ------------------------------------------------------------------------------------------------------------------------- A70 VQFN-5x5-24L ------------------------------------------------------------------------------------------------------------------------- A71 VQFN-5x5-28L ------------------------------------------------------------------------------------------------------------------------- A72 VQFN-5x5-32L ------------------------------------------------------------------------------------------------------------------------- A73 VQFN-6x6-28L ------------------------------------------------------------------------------------------------------------------------- A74 VQFN-6x6-40L ------------------------------------------------------------------------------------------------------------------------- A75 www.richtek.com A-2 OD-100330 OUTLINE DIMENSION z VDFN VDFN-2x2-6L --------------------------------------------------------------------------------------------------------------------------- A76 VDFN-2x2-8L --------------------------------------------------------------------------------------------------------------------------- A77 VDFN-3x3-6L --------------------------------------------------------------------------------------------------------------------------- A78 VDFN-3x3-8L --------------------------------------------------------------------------------------------------------------------------- A79 VDFN-3x3-10L ------------------------------------------------------------------------------------------------------------------------- A80 VDFN-5x6-8L --------------------------------------------------------------------------------------------------------------------------- A81 z WQFN WQFN-2x2-12L ------------------------------------------------------------------------------------------------------------------------ A82 WQFN-3x3-16L ------------------------------------------------------------------------------------------------------------------------ A83 WQFN-3x3-20L ------------------------------------------------------------------------------------------------------------------------ A84 WQFN-4x4-16L ------------------------------------------------------------------------------------------------------------------------ A85 WQFN-4x4-20L ------------------------------------------------------------------------------------------------------------------------ A86 WQFN-4x4-24L ------------------------------------------------------------------------------------------------------------------------ A87 WQFN-4x4-28L ------------------------------------------------------------------------------------------------------------------------ A88 WQFN-4x4-32L ------------------------------------------------------------------------------------------------------------------------ A89 WQFN-5x5-12L ------------------------------------------------------------------------------------------------------------------------ A90 WQFN-5x5-16L ------------------------------------------------------------------------------------------------------------------------ A91 WQFN-5x5-24L ------------------------------------------------------------------------------------------------------------------------ A92 WQFN-5x5-28L ------------------------------------------------------------------------------------------------------------------------ A93 WQFN-5x5-32L ------------------------------------------------------------------------------------------------------------------------ A94 WQFN-5x5-40L ------------------------------------------------------------------------------------------------------------------------ A95 WQFN-6x6-28L ------------------------------------------------------------------------------------------------------------------------ A96 WQFN-6x6-40L ------------------------------------------------------------------------------------------------------------------------ A97 WQFN-6x6-48L ------------------------------------------------------------------------------------------------------------------------ A98 WQFN-7x7-48L ------------------------------------------------------------------------------------------------------------------------ A99 WQFN-7x7-56L ------------------------------------------------------------------------------------------------------------------------ A100 WQFN-2x3-16L ------------------------------------------------------------------------------------------------------------------------ A101 WQFN-3x4-20L ------------------------------------------------------------------------------------------------------------------------ A102 WQFN-3.5x3.5-14L ------------------------------------------------------------------------------------------------------------------- A103 WQFN-4x5-28L ------------------------------------------------------------------------------------------------------------------------ A104 WQFN-6.5x4.5-46L ------------------------------------------------------------------------------------------------------------------- A105 WQFN-1.6x1.6-8L (COL) ------------------------------------------------------------------------------------------------------------ A106 WQFN-2x2-12L (COL) --------------------------------------------------------------------------------------------------------------- A107 WQFN-2x2-14L (COL) --------------------------------------------------------------------------------------------------------------- A108 WQFN-3x3-24L (COL) --------------------------------------------------------------------------------------------------------------- A109 z WDFN WDFN-2x2-6L -------------------------------------------------------------------------------------------------------------------------- A110 WDFN-2x2-8L -------------------------------------------------------------------------------------------------------------------------- A111 WDFN-3x3-6L -------------------------------------------------------------------------------------------------------------------------- A112 WDFN-3x3-8L -------------------------------------------------------------------------------------------------------------------------- A113 WDFN-3x3-8L, 0.5mm Lead Pitch ------------------------------------------------------------------------------------------------ A114 OD-100330 www.richtek.com A-3 OUTLINE DIMENSION WDFN-3x3-10L ------------------------------------------------------------------------------------------------------------------------ A115 WDFN-3x3-12L ------------------------------------------------------------------------------------------------------------------------ A116 WDFN-1.6x1.6-6L --------------------------------------------------------------------------------------------------------------------- A117 WDFN-2x3-8L -------------------------------------------------------------------------------------------------------------------------- A118 WDFN-3x2-10L ------------------------------------------------------------------------------------------------------------------------ A119 WDFN-4x3-12L ------------------------------------------------------------------------------------------------------------------------ A120 WDFN-4x3-16L ------------------------------------------------------------------------------------------------------------------------ A121 WDFN-2x2-6SL ------------------------------------------------------------------------------------------------------------------------ A122 z XDFN XDFN-2x2-8L --------------------------------------------------------------------------------------------------------------------------- A123 z WLCSP WL-CSP-0.7x1.35-5B ---------------------------------------------------------------------------------------------------------------- A124 WL-CSP-0.9x1.3-6B ----------------------------------------------------------------------------------------------------------------- A125 WL-CSP-1x2-8B ---------------------------------------------------------------------------------------------------------------------- A126 WL-CSP-1.5x1.5-8B ----------------------------------------------------------------------------------------------------------------- A127 WL-CSP-1.5x1.5-9B ----------------------------------------------------------------------------------------------------------------- A128 WL-CSP-2.05x2.55-20B ------------------------------------------------------------------------------------------------------------- A129 WL-CSP-2.45x1.95-20B ------------------------------------------------------------------------------------------------------------- A130 WL-CSP-2.55x2.05-20B ------------------------------------------------------------------------------------------------------------- A131 WL-CSP-2.45x2.45-25B ------------------------------------------------------------------------------------------------------------- A132 WL-CSP-2.45x2.05-30B ------------------------------------------------------------------------------------------------------------- A133 WL-CSP-2.4x2.4-32B ---------------------------------------------------------------------------------------------------------------- A134 www.richtek.com A-4 OD-100330 D e H L B C b b1 A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.200 0.031 0.047 A1 0.050 0.150 0.002 0.006 B 1.200 1.400 0.047 0.055 b 0.300 0.520 0.012 0.020 b1 0.760 0.920 0.030 0.036 C 2.100 2.640 0.083 0.104 D 2.800 3.040 0.110 0.120 e 1.900 0.075 H 0.080 0.150 0.003 0.006 L 0.210 0.410 0.008 0.016 SOT-143 Surface Mount Package OD-100330 www.richtek.com A-5 H D L C B e A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.889 1.295 0.035 0.051 A1 0.000 0.152 0.000 0.006 B 1.397 1.803 0.055 0.071 b 0.356 0.508 0.014 0.020 C 2.591 2.997 0.102 0.118 D 2.692 3.099 0.106 0.122 e 1.803 2.007 0.071 0.079 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 SOT-23-3 Surface Mount Package www.richtek.com A-6 OD-100330 H D L B C b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.889 1.295 0.035 0.051 A1 0.000 0.152 0.000 0.006 B 1.397 1.803 0.055 0.071 b 0.356 0.559 0.014 0.022 C 2.591 2.997 0.102 0.118 D 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 SOT-23-5 Surface Mount Package OD-100330 www.richtek.com A-7 H D L C B b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.889 1.295 0.031 0.051 A1 0.000 0.152 0.000 0.006 B 1.397 1.803 0.055 0.071 b 0.250 0.560 0.010 0.022 C 2.591 2.997 0.102 0.118 D 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 SOT-23-6 Surface Mount Package www.richtek.com A-8 OD-100330 H D L C B b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.450 0.039 0.057 A1 0.000 0.150 0.000 0.006 B 1.500 1.700 0.059 0.067 b 0.220 0.500 0.009 0.020 C 2.600 3.000 0.102 0.118 D 2.800 3.000 0.110 0.118 e 0.585 0.715 0.023 0.028 H 0.100 0.220 0.004 0.009 L 0.300 0.600 0.012 0.024 SOT-23-8 Surface Mount Package OD-100330 www.richtek.com A-9 D D1 A B C C1 e e H A b Symbol b1 b Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.397 1.600 0.055 0.063 b 0.356 0.483 0.014 0.019 B 2.388 2.591 0.094 0.102 b1 0.406 0.533 0.016 0.021 C 3.937 4.242 0.155 0.167 C1 0.787 1.194 0.031 0.047 D 4.394 4.597 0.173 0.181 D1 1.397 1.753 0.055 0.069 e 1.448 1.549 0.057 0.061 H 0.356 0.432 0.014 0.017 3-Lead SOT-89 Surface Mount Package www.richtek.com A-10 OD-100330 D D1 b1 A C B C1 e e H A b Symbol b1 b Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.400 1.600 0.055 0.063 b 0.360 0.508 0.014 0.020 B 2.400 2.600 0.094 0.102 b1 0.406 0.533 0.016 0.021 C 3.937 4.250 0.155 0.167 C1 0.800 1.194 0.031 0.047 D 4.400 4.600 0.173 0.181 D1 1.397 1.700 0.055 0.067 e 1.400 1.600 0.055 0.063 H 0.356 0.430 0.014 0.017 5-Lead SOT-89 Surface Mount Package OD-100330 www.richtek.com A-11 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.400 1.800 0.055 0.071 A1 0.020 0.100 0.001 0.004 b 0.600 0.840 0.024 0.033 B 3.300 3.700 0.130 0.146 C 6.700 7.300 0.264 0.287 D 6.300 6.700 0.248 0.264 b1 2.900 3.100 0.114 0.122 e 2.300 0.091 H 0.230 0.350 0.009 0.014 L 1.500 2.000 0.059 0.079 L1 0.800 1.100 0.031 0.043 3-Lead SOT-223 Surface Mount Package www.richtek.com A-12 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.400 1.800 0.055 0.071 A1 0.020 0.100 0.001 0.004 b 0.410 0.530 0.016 0.021 B 3.300 3.700 0.130 0.146 C 6.700 7.300 0.264 0.287 D 6.300 6.700 0.248 0.264 b1 2.900 3.100 0.114 0.122 e 2.270 0.050 H 0.230 0.350 0.009 0.014 L 1.500 2.000 0.059 0.079 L1 0.800 1.100 0.031 0.043 5-Lead SOT-223 Surface Mount Package OD-100330 www.richtek.com A-13 D E E1 L b A Symbol L e A3 A1 Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.600 0.020 0.024 A1 0.000 0.050 0.000 0.002 A3 0.080 0.180 0.003 0.007 b 0.150 0.300 0.006 0.012 D 1.500 1.700 0.059 0.067 E 1.500 1.700 0.059 0.067 E1 1.100 1.300 0.043 0.051 e L 0.500 0.100 0.020 0.300 0.004 0.012 SOT-563 Surface Mount Package www.richtek.com A-14 OD-100330 H D L C B e A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 1.000 0.028 0.039 A1 0.000 0.100 0.000 0.004 B 1.397 1.803 0.055 0.071 b 0.300 0.510 0.012 0.020 C 2.591 3.000 0.102 0.118 D 2.692 3.099 0.106 0.122 e 1.803 2.007 0.071 0.079 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 TSOT-23-3 Surface Mount Package OD-100330 www.richtek.com A-15 H D L B C b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 1.000 0.028 0.039 A1 0.000 0.100 0.000 0.004 B 1.397 1.803 0.055 0.071 b 0.300 0.559 0.012 0.022 C 2.591 3.000 0.102 0.118 D 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 TSOT-23-5 Surface Mount Package www.richtek.com A-16 OD-100330 H D L C B b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 1.000 0.028 0.039 A1 0.000 0.100 0.000 0.004 B 1.397 1.803 0.055 0.071 b 0.300 0.559 0.012 0.022 C 2.591 3.000 0.102 0.118 D 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 TSOT-23-6 Surface Mount Package OD-100330 www.richtek.com A-17 H D L C B b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 1.000 0.028 0.039 A1 0.000 0.100 0.000 0.004 B 1.397 1.803 0.055 0.071 b 0.220 0.380 0.009 0.015 C 2.591 3.000 0.102 0.118 D 2.692 3.099 0.106 0.122 e 0.585 0.715 0.023 0.028 H 0.080 0.254 0.003 0.010 L 0.300 0.610 0.012 0.024 TSOT-23-8 Surface Mount Package www.richtek.com A-18 OD-100330 A D E L b e C D1 A1 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 3.175 4.191 0.125 0.165 A1 1.143 1.372 0.045 0.054 b 0.406 0.533 0.016 0.021 C 0.406 0.533 0.016 0.021 D 4.445 5.207 0.175 0.205 D1 3.429 5.029 0.135 0.198 E 4.318 5.334 0.170 0.210 e 1.143 1.397 0.045 0.055 L 12.700 0.500 3-Lead TO-92 Plastic Package OD-100330 www.richtek.com A-19 A D C D1 B E A1 L b e b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 2.184 2.388 0.086 0.094 A1 1.016 1.295 0.040 0.051 B 0.889 2.032 0.035 0.080 b 0.508 0.889 0.020 0.035 b2 0.457 0.584 0.018 0.023 C 0.457 0.584 0.018 0.023 D 6.350 6.731 0.250 0.265 D1 5.207 5.461 0.205 0.215 E 5.334 6.223 0.210 0.245 e 2.101 2.438 0.083 0.096 L 7.010 8.001 0.276 0.315 3-Lead TO-251 Plastic Package www.richtek.com A-20 OD-100330 D U C D1 R B T V E S L1 L3 b1 b L2 e b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 2.184 2.388 0.086 0.094 B 0.889 2.032 0.035 0.080 b 0.508 0.889 0.020 0.035 b1 1.016 Ref. 0.040 Ref. b2 0.457 0.584 0.018 0.023 C 0.457 0.584 0.018 0.023 D 6.350 6.731 0.250 0.265 D1 5.207 5.461 0.205 0.215 E 5.334 6.223 0.210 0.245 e 2.108 2.438 0.083 0.096 L1 9.398 10.414 0.370 0.410 L2 L3 0.508 Ref. 0.635 1.016 0.020 Ref. 0.025 0.040 U 3.810 Ref. 0.150 Ref. V 3.048 Ref. 0.120 Ref. R 0.200 0.850 0.008 0.033 S 2.500 3.400 0.098 0.134 T 0.500 0.850 0.020 0.033 3-Lead TO-252 Surface Mount Package OD-100330 www.richtek.com A-21 E C2 b3 L3 V D H L4 L b P L2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 2.200 2.400 0.087 0.094 b 0.580 0.670 0.023 0.026 b3 5.200 5.500 0.205 0.217 C2 0.400 0.600 0.016 0.024 D 5.950 6.250 0.234 0.246 E 6.350 6.650 0.250 0.262 H 9.500 10.500 0.374 0.413 L 1.390 1.690 0.055 0.067 L2 0.508 Ref. 0.020 Ref. L3 0.950 1.250 0.037 0.049 L4 -- 1.000 -- 0.400 P V 1.270 Ref. 5.350 5.550 0.050 Ref. 0.211 0.219 4-Lead TO-252 Surface Mount Package www.richtek.com A-22 OD-100330 E C2 R b3 L3 T V S D H L b P L2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 2.184 2.388 0.086 0.094 b 0.381 0.889 0.015 0.035 b3 4.953 5.461 0.195 0.215 C2 0.457 0.889 0.018 0.035 D 5.334 6.223 0.210 0.245 E 6.350 6.731 0.250 0.265 H 9.000 10.414 0.354 0.410 L 0.508 1.780 0.020 0.070 L2 L3 0.508 Ref. 0.889 2.032 0.020 Ref. 0.035 0.080 P 1.270 Ref. 0.050 Ref. V 5.200 Ref. 0.205 Ref. R 0.200 1.500 0.008 0.059 S 2.500 3.400 0.098 0.134 T 0.500 0.850 0.020 0.033 5-Lead TO-252 Surface Mount Package OD-100330 www.richtek.com A-23 C D U B V E L1 b1 L2 e b2 b A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 B 1.143 1.676 0.045 0.066 b 0.660 0.914 0.026 0.036 b1 1.143 1.397 0.045 0.055 b2 0.305 0.584 0.012 0.023 C 1.143 1.397 0.045 0.055 D 9.652 10.668 0.380 0.420 E 8.128 9.652 0.320 0.380 e 2.286 2.794 0.090 0.110 L1 14.605 15.875 0.575 0.625 L2 2.286 2.794 0.090 0.110 U 6.223 Ref. 0.245 Ref. V 7.620 Ref. 0.300 Ref. 3-Lead TO- 263 Surface Mount Package www.richtek.com A-24 OD-100330 C D U B V E L1 L2 b e b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 B 1.143 1.676 0.045 0.066 b 0.660 0.914 0.026 0.036 b2 0.305 0.584 0.012 0.023 C 1.143 1.397 0.045 0.055 D 9.652 10.668 0.380 0.420 E 8.128 9.652 0.320 0.380 e 1.524 1.829 0.060 0.072 L1 14.605 15.875 0.575 0.625 L2 2.286 2.794 0.090 0.110 U 6.223 Ref. 0.245 Ref. V 7.620 Ref. 0.300 Ref. 5-Lead TO-263 Surface Mount Package OD-100330 www.richtek.com A-25 C D U B V E L1 L2 b e b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 B 1.143 1.397 0.045 0.055 b 0.660 0.914 0.026 0.036 b2 0.305 0.584 0.012 0.023 C 1.250 1.450 0.049 0.057 D 9.652 10.668 0.380 0.420 E 8.128 9.652 0.320 0.380 e 1.524 1.829 0.060 0.072 L1 13.000 14.300 0.512 0.563 L2 1.090 1.590 0.043 0.063 U 7.600 Ref. 0.299 Ref. V 5.900 Ref. 0.232 Ref. 5-Lead TO-263S Surface Mount Package www.richtek.com A-26 OD-100330 C D U B V E L1 L2 e b2 b A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 B 1.143 1.676 0.045 0.066 b 0.660 0.914 0.026 0.036 b2 0.301 0.584 0.012 0.023 C 1.143 1.397 0.045 0.055 D 9.652 10.668 0.380 0.420 E 8.128 9.652 0.320 0.380 e 1.270 BSC 0.050 BSC L1 14.605 15.875 0.575 0.625 L2 2.286 2.794 0.090 0.110 U 6.223 Ref. 0.245 Ref. V 7.620 Ref. 0.300 Ref. 7-Lead TO-263 Surface Mount Package OD-100330 www.richtek.com A-27 C D F M E1 L1 E b1 A1 L2 e b b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 A1 2.032 2.921 0.080 0.115 b 0.635 1.016 0.025 0.040 b1 1.143 1.524 0.045 0.060 b2 0.305 0.559 0.012 0.022 C 1.143 1.397 0.045 0.055 D 9.779 10.668 0.385 0.420 E 7.620 9.398 0.300 0.370 e 2.286 2.794 0.090 0.110 E1 11.176 12.954 0.440 0.510 F 2.616 2.870 0.103 0.113 L1 17.526 18.542 0.690 0.730 L2 7.544 8.636 0.297 0.340 M 3.708 3.962 0.146 0.156 3-Lead TO-220 Plastic Package www.richtek.com A-28 OD-100330 C D M F E1 E P A1 e b b2 A Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.064 4.826 0.160 0.190 A1 2.032 2.921 0.080 0.115 b 0.635 1.016 0.025 0.040 b2 0.305 0.559 0.012 0.022 C 1.143 1.397 0.045 0.055 e 1.524 1.829 0.060 0.072 D 9.779 10.668 0.385 0.420 E 7.620 9.398 0.300 0.370 E1 11.176 12.954 0.440 0.510 F 14.224 15.113 0.560 0.595 M 3.708 3.962 0.146 0.156 P 24.689 26.416 0.972 1.040 5-Lead TO-220 Plastic Package OD-100330 www.richtek.com A-29 H A M J B F C I D Dimensions In Millimeters Dimensions In Inches Symbol Min Max Min Max A 4.801 5.004 0.189 0.197 B 3.810 3.988 0.150 0.157 C 1.346 1.753 0.053 0.069 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.170 0.254 0.007 0.010 I 0.050 0.254 0.002 0.010 J 5.791 6.200 0.228 0.244 M 0.400 1.270 0.016 0.050 8-Lead SOP Plastic Package www.richtek.com A-30 OD-100330 H A M J B F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 8.534 8.738 0.336 0.344 B 3.810 3.988 0.150 0.157 C 1.346 1.753 0.053 0.069 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.178 0.254 0.007 0.010 I 0.102 0.254 0.004 0.010 J 5.791 6.198 0.228 0.244 M 0.406 1.270 0.016 0.050 14–Lead SOP Plastic Package OD-100330 www.richtek.com A-31 H A M B J F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 9.804 10.008 0.386 0.394 B 3.810 3.988 0.150 0.157 C 1.346 1.753 0.053 0.069 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.178 0.254 0.007 0.010 I 0.102 0.254 0.004 0.010 J 5.791 6.198 0.228 0.244 M 0.406 1.270 0.016 0.050 16–Lead SOP Plastic Package www.richtek.com A-32 OD-100330 H A M J B F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 12.598 13.005 0.496 0.512 B 7.391 7.595 0.291 0.299 C 2.362 2.642 0.093 0.104 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.229 0.330 0.009 0.013 I 0.102 0.305 0.004 0.012 J 10.008 10.643 0.394 0.419 M 0.381 1.270 0.015 0.050 20–Lead SOP Plastic Package OD-100330 www.richtek.com A-33 H A M J B F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 15.189 15.596 0.598 0.614 B 7.391 7.595 0.291 0.299 C 2.362 2.642 0.093 0.104 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.229 0.330 0.009 0.013 I 0.102 0.305 0.004 0.012 J 10.008 10.643 0.394 0.419 M 0.381 1.270 0.015 0.050 24–Lead SOP Plastic Package www.richtek.com A-34 OD-100330 H A M J B F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 12.800 13.200 0.504 0.520 B 5.800 6.200 0.228 0.244 C 1.350 1.900 0.053 0.075 D 0.300 0.520 0.012 0.020 F 1.000 0.040 H 0.100 0.270 0.004 0.011 I 0.050 0.150 0.002 0.006 J 7.700 8.300 0.303 0.327 M 0.250 0.650 0.010 0.026 24–Lead SOP Plastic Package (Body Width = 236mil) OD-100330 www.richtek.com A-35 H A M J B F C I D Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 17.704 18.110 0.697 0.713 B 7.391 7.595 0.291 0.299 C 2.362 2.642 0.093 0.104 D 0.330 0.508 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.229 0.330 0.009 0.013 I 0.102 0.305 0.004 0.012 J 10.008 10.643 0.394 0.419 M 0.381 1.270 0.015 0.050 28–Lead SOP Plastic Package www.richtek.com A-36 OD-100330 H A M J B F C I D Dimensions In Millimeters Dimensions In Inches Symbol Min Max Min Max A 20.320 20.726 0.800 0.816 B 7.391 7.595 0.291 0.299 C 2.362 2.642 0.093 0.104 D 0.330 0.508 0.013 0.020 F 1.27 0.050 H 0.229 0.330 0.009 0.013 I 0.102 0.305 0.004 0.012 J 10.008 10.643 0.394 0.419 M 0.381 1.270 0.015 0.050 32–Lead SOP Plastic Package OD-100330 www.richtek.com A-37 H A M EXPOSED THERMAL PAD (Bottom of Package) Y J X B F C I D Dimensions In Millim eters Symbol Dimensions In Inches Min Max Min Max A 4.801 5.004 0.189 0.197 B 3.810 4.000 0.150 0.157 C 1.346 1.753 0.053 0.069 D 0.330 0.510 0.013 0.020 F 1.194 1.346 0.047 0.053 H 0.170 0.254 0.007 0.010 I 0.000 0.152 0.000 0.006 J 5.791 6.200 0.228 0.244 M 0.406 1.270 0.016 0.050 X 2.000 2.300 0.079 0.091 Y 2.000 2.300 0.079 0.091 X 2.100 2.500 0.083 0.098 Y 3.000 3.500 0.118 0.138 Option 1 Option 2 8-Lead SOP (Exposed Pad) Plastic Package www.richtek.com A-38 OD-100330 Dimensions In Millimeters Symbol Dimensions In Inches Min Max Min Max A 3.700 4.320 0.146 0.170 A1 0.381 0.710 0.015 0.028 A2 3.200 3.600 0.126 0.142 b 0.360 0.560 0.014 0.022 b1 1.143 1.778 0.045 0.070 D 9.050 9.550 0.356 0.376 E 6.200 6.600 0.244 0.260 E1 7.620 8.255 0.300 0.325 e L 2.540 3.000 0.100 3.600 0.118 0.142 8-Lead DIP Plastic Package OD-100330 www.richtek.com A-39 Dimensions In Millimeters Symbol Dimensions In Inches Min Max Min Max A 3.700 4.320 0.146 0.170 A1 0.381 0.710 0.015 0.028 A2 3.200 3.600 0.126 0.142 b 0.360 0.560 0.014 0.022 b1 1.143 1.778 0.045 0.070 D 18.800 19.300 0.740 0.760 E 6.200 6.600 0.244 0.260 E1 7.620 8.255 0.300 0.325 e L 2.540 3.000 0.100 3.600 0.118 0.142 16-Lead DIP Plastic Package www.richtek.com A-40 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.346 1.753 0.053 0.069 A1 0.102 0.254 0.004 0.010 A2 1.499 0.059 b 0.203 0.305 0.008 0.012 C 0.178 0.254 0.007 0.010 D 4.801 5.004 0.189 0.197 e 0.635 0.025 E 5.791 6.198 0.228 0.244 E1 3.810 3.988 0.150 0.157 L 0.406 1.270 0.016 0.050 16-Lead SSOP Plastic Package OD-100330 www.richtek.com A-41 c D L E E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.346 1.753 0.053 0.069 A1 0.100 0.254 0.004 0.010 A2 1.370 1.520 0.054 0.060 b 0.203 0.305 0.008 0.012 C 0.178 0.254 0.007 0.010 D 8.530 8.740 0.336 0.344 e 0.635 0.025 E 5.800 6.200 0.228 0.244 E1 3.800 4.000 0.150 0.157 L 0.380 1.270 0.015 0.050 24-Lead SSOP Plastic Package www.richtek.com A-42 OD-100330 c D L E E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.346 1.753 0.053 0.069 A1 0.100 0.254 0.004 0.010 A2 1.499 0.059 b 0.203 0.360 0.008 0.014 C 0.178 0.274 0.007 0.011 D 9.800 10.010 0.386 0.394 e 0.635 0.025 E 5.790 6.200 0.228 0.244 E1 3.810 3.990 0.150 0.157 L 0.380 1.270 0.015 0.050 28-Lead SSOP Plastic Package OD-100330 www.richtek.com A-43 c D L E E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A --- 2.00 --- 0.079 A1 0.05 --- 0.002 --- A2 1.65 1.85 0.065 0.073 b 0.22 0.38 0.009 0.015 C 0.99 0.25 0.039 0.010 D 9.91 10.49 0.390 0.413 e 0.66 0.026 E 7.4 8.20 0.291 0.323 E1 5.00 5.60 0.197 0.220 L 0.55 0.95 0.022 0.037 30-Lead SSOP Plastic Package www.richtek.com A-44 OD-100330 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 2.900 3.100 0.114 0.122 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 8-Lead TSSOP Plastic Package OD-100330 www.richtek.com A-45 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 4.900 5.100 0.193 0.201 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 14-Lead TSSOP Plastic Package www.richtek.com A-46 OD-100330 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 4.900 5.100 0.193 0.201 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 16-Lead TSSOP Plastic Package OD-100330 www.richtek.com A-47 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 6.400 6.600 0.252 0.260 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 20-Lead TSSOP Plastic Package www.richtek.com A-48 OD-100330 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 7.700 7.900 0.303 0.311 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 24-Lead TSSOP Plastic Package OD-100330 www.richtek.com A-49 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 9.600 9.800 0.378 0.386 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 28-Lead TSSOP Plastic Package www.richtek.com A-50 OD-100330 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.050 0.150 0.002 0.006 A2 0.800 1.050 0.031 0.041 b 0.130 0.300 0.005 0.012 D 11.200 11.400 0.441 0.449 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 32-Lead TSSOP Plastic Package OD-100330 www.richtek.com A-51 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.000 0.150 0.000 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 4.900 5.100 0.193 0.201 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 U 1.900 2.900 0.075 0.114 V 1.600 2.600 0.063 0.102 14-Lead TSSOP (Exposed Pad) Plastic Package www.richtek.com A-52 OD-100330 D L U EXPOSED THERMAL PAD (Bottom of Package) E V E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.000 0.150 0.000 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 4.900 5.100 0.193 0.201 e 0.65 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 U 2.000 3.000 0.079 0.118 V 2.000 3.000 0.079 0.118 16-Lead TSSOP (Exposed Pad) Plastic Package OD-100330 www.richtek.com A-53 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.000 0.150 0.000 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 7.700 7.900 0.303 0.311 e 0.65 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 U 3.700 4.900 0.146 0.193 V 2.200 3.100 0.087 0.122 24-Lead TSSOP (Exposed Pad) Plastic Package www.richtek.com A-54 OD-100330 Dimensions In Millimeters Sym bol Dimensions In Inches Min Max Min Max A 1.000 1.200 0.039 0.047 A1 0.000 0.150 0.000 0.006 A2 0.800 1.050 0.031 0.041 b 0.190 0.300 0.007 0.012 D 9.600 9.800 0.378 0.386 e 0.650 0.026 E 6.300 6.500 0.248 0.256 E1 4.300 4.500 0.169 0.177 L 0.450 0.750 0.018 0.030 U 4.410 5.510 0.174 0.217 V 2.400 3.000 0.094 0.118 U 5.500 6.170 0.217 0.243 V 1.600 2.210 0.063 0.087 Option 1 Option 2 28-Lead TSSOP (Exposed Pad) Plastic Package OD-100330 www.richtek.com A-55 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.810 1.100 0.032 0.043 A1 0.000 0.150 0.000 0.006 A2 0.750 0.950 0.030 0.037 b 0.220 0.380 0.009 0.015 D 2.900 3.100 0.114 0.122 e 0.650 0.026 E 4.800 5.000 0.189 0.197 E1 2.900 3.100 0.114 0.122 L 0.400 0.800 0.016 0.031 8-Lead MSOP Plastic Package www.richtek.com A-56 OD-100330 D L E1 E e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.810 1.100 0.032 0.043 A1 0.000 0.150 0.000 0.006 A2 0.750 0.950 0.030 0.037 b 0.170 0.270 0.007 0.011 D 2.900 3.100 0.114 0.122 e 0.500 0.020 E 4.800 5.000 0.189 0.197 E1 2.900 3.100 0.114 0.122 L 0.400 0.800 0.016 0.031 10-Lead MSOP Plastic Package OD-100330 www.richtek.com A-57 D L EXPOSED THERMAL PAD (Bottom of Package) U E V E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.810 1.100 0.032 0.043 A1 0.000 0.150 0.000 0.006 A2 0.750 0.950 0.030 0.037 b 0.220 0.380 0.009 0.015 D 2.900 3.100 0.114 0.122 e 0.650 0.026 E 4.800 5.000 0.189 0.197 E1 2.900 3.100 0.114 0.122 L 0.400 0.800 0.016 0.031 U 1.300 1.700 0.051 0.067 V 1.500 1.900 0.059 0.075 8-Lead MSOP (Exposed Pad) Plastic Package www.richtek.com A-58 OD-100330 D L EXPOSED THERMAL PAD (Bottom of Package) U E V E1 e A2 A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.810 1.100 0.032 0.043 A1 0.000 0.150 0.000 0.006 A2 0.750 0.950 0.030 0.037 b 0.170 0.270 0.007 0.011 D 2.900 3.100 0.114 0.122 e 0.500 0.020 E 4.800 5.000 0.189 0.197 E1 2.900 3.100 0.114 0.122 L 0.400 0.800 0.016 0.031 U 1.300 1.700 0.051 0.067 V 1.500 1.900 0.059 0.075 10-Lead MSOP (Exposed Pad) Plastic Package OD-100330 www.richtek.com A-59 H D L C B e A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.100 0.031 0.044 A1 0.000 0.100 0.000 0.004 B 1.150 1.350 0.045 0.054 b 0.150 0.400 0.006 0.016 C 1.800 2.450 0.071 0.096 D 1.800 2.250 0.071 0.089 e 1.300 0.051 H 0.080 0.260 0.003 0.010 L 0.210 0.460 0.008 0.018 SC-70-3 Surface Mount Package www.richtek.com A-60 OD-100330 H D L B C b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.100 0.031 0.043 A1 0.000 0.100 0.000 0.004 B 1.150 1.350 0.045 0.053 b 0.150 0.400 0.006 0.016 C 1.800 2.450 0.071 0.096 D 1.800 2.250 0.071 0.089 e 1.300 0.051 H 0.080 0.260 0.003 0.010 L 0.210 0.460 0.008 0.018 SC-70-4 Surface Mount Package OD-100330 www.richtek.com A-61 H D L B C b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.100 0.031 0.044 A1 0.000 0.100 0.000 0.004 B 1.150 1.350 0.045 0.054 b 0.150 0.400 0.006 0.016 C 1.800 2.450 0.071 0.096 D 1.800 2.250 0.071 0.089 e 0.650 0.026 H 0.080 0.260 0.003 0.010 L 0.210 0.460 0.008 0.018 SC-70-5 Surface Mount Package www.richtek.com A-62 OD-100330 H D L C B b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.100 0.031 0.044 A1 0.000 0.100 0.000 0.004 B 1.150 1.350 0.045 0.054 b 0.150 0.400 0.006 0.016 C 1.800 2.450 0.071 0.096 D 1.800 2.250 0.071 0.089 e 0.650 0.026 H 0.080 0.260 0.003 0.010 L 0.210 0.460 0.008 0.018 SC-70-6 Surface Mount Package OD-100330 www.richtek.com A-63 D e H L B C b1 b A A1 e Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.100 0.031 0.043 A1 0.000 0.100 0.000 0.004 B 1.150 1.350 0.045 0.053 b 0.150 0.400 0.006 0.016 b1 0.350 0.500 0.014 0.020 C 1.800 2.450 0.071 0.096 D 1.800 2.200 0.071 0.087 e 1.300 0.051 H 0.080 0.260 0.003 0.010 L 0.200 0.460 0.008 0.018 SC-82 Surface Mount Package www.richtek.com A-64 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.900 1.100 0.035 0.043 A1 0.000 0.100 0.000 0.004 B 1.650 1.850 0.065 0.073 b 0.150 0.300 0.006 0.012 C 2.000 2.400 0.079 0.094 D 1.800 2.200 0.071 0.087 e 0.400 0.016 H 0.100 0.200 0.004 0.008 L 0.350 0.550 0.014 0.022 SOJ-2021-10L Small Outline J-Leaded Package OD-100330 www.richtek.com A-65 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.950 3.050 0.116 0.120 D2 1.300 1.750 0.051 0.069 E 2.950 3.050 0.116 0.120 E2 1.300 1.750 0.051 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 16L QFN 3x3 Package www.richtek.com A-66 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.380 0.010 0.015 D 3.950 4.050 0.156 0.159 D2 2.000 2.450 0.079 0.096 E 3.950 4.050 0.156 0.159 E2 2.000 2.450 0.079 0.096 e L 0.650 0.500 0.026 0.600 0.020 0.024 V-Type 16L QFN 4x4 Package OD-100330 www.richtek.com A-67 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Min Dimensions In Inches Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.300 0.006 0.012 D 3.950 4.050 0.156 0.159 D2 2.650 2.750 0.104 0.108 E 3.950 4.050 0.156 0.159 E2 2.650 2.750 0.104 0.108 e L 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 20L QFN 4x4 Package www.richtek.com A-68 OD-100330 D2 D SEE DETAIL A L 1 E E2 e b A3 Symbol 2 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Min Dimensions In Inches Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 3.950 4.050 0.156 0.159 D2 2.300 2.750 0.091 0.108 E 3.950 4.050 0.156 0.159 E2 2.300 2.750 0.091 0.108 e L 1 DETAIL A Pin #1 ID and Tie Bar Mark Options A A1 1 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 24L QFN 4x4 Package OD-100330 www.richtek.com A-69 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.350 0.010 0.014 D 4.950 5.050 0.195 0.199 D2 3.000 3.300 0.118 0.130 E 4.950 5.050 0.195 0.199 E2 3.000 3.300 0.118 0.130 e L 0.800 0.500 0.031 0.600 0.020 0.024 V-Type 16L QFN 5x5 Package www.richtek.com A-70 OD-100330 D2 D SEE DETAIL A L 1 E E2 e b A3 Symbol 2 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.350 0.010 0.014 D 4.950 5.050 0.195 0.199 D2 3.100 3.400 0.122 0.134 E 4.950 5.050 0.195 0.199 E2 3.100 3.400 0.122 0.134 e L 1 DETAIL A Pin #1 ID and Tie Bar Mark Options A A1 1 0.650 0.350 0.026 0.450 0.014 0.018 V-Type 24L QFN 5x5 Package OD-100330 www.richtek.com A-71 D2 D SEE DETAIL A 1 E E2 L e b A A1 A3 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 4.950 5.050 0.195 0.199 D2 3.000 3.300 0.118 0.130 E 4.950 5.050 0.195 0.199 E2 3.000 3.300 0.118 0.130 e L 0.500 0.450 0.020 0.650 0.018 0.026 V-Type 28L QFN 5x5 Package www.richtek.com A-72 OD-100330 D2 D SEE DETAIL A L 1 E E2 e b A A1 1 1 2 2 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 4.950 5.050 0.195 0.199 D2 3.400 3.750 0.134 0.148 E 4.950 5.050 0.195 0.199 E2 3.400 3.750 0.134 0.148 e L 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 32L QFN 5x5 Package OD-100330 www.richtek.com A-73 D2 D SEE DETAIL A 1 E E2 L e b A A1 A3 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.230 0.350 0.009 0.014 D 5.900 6.100 0.232 0.240 D2 3.500 4.100 0.138 0.161 E 5.900 6.100 0.232 0.240 E2 3.500 4.100 0.138 0.161 e L 0.650 0.500 0.026 0.700 0.020 0.028 V-Type 28L QFN 6x6 Package www.richtek.com A-74 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b 1 1 2 2 A A3 DETAIL A Pin #1 ID and Tie Bar Mark Options A1 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 5.950 6.050 0.234 0.238 D2 4.000 4.750 0.157 0.187 E 5.950 6.050 0.234 0.238 E2 4.000 4.750 0.157 0.187 e L 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 40L QFN 6x6 Package OD-100330 www.richtek.com A-75 D2 D L E E2 1 e b A A1 SEE DETAIL A 2 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.350 0.008 0.014 D 1.950 2.050 0.077 0.081 D2 1.000 1.450 0.039 0.057 E 1.950 2.050 0.077 0.081 E2 0.500 0.850 0.020 0.033 e L 0.650 0.300 0.026 0.400 0.012 0.016 V-Type 6L DFN 2x2 Package www.richtek.com A-76 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 1.950 2.050 0.077 0.081 D2 1.000 1.250 0.039 0.049 E 1.950 2.050 0.077 0.081 E2 0.400 0.650 0.016 0.026 e L 0.500 0.300 0.020 0.400 0.012 0.016 V-Type 8L DFN 2x2 Package OD-100330 www.richtek.com A-77 D2 D L E E2 1 e b A A1 SEE DETAIL A 2 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.350 0.450 0.014 0.018 D 2.950 3.050 0.116 0.120 D2 2.200 2.400 0.087 0.094 E 2.950 3.050 0.116 0.120 E2 1.400 1.600 0.055 0.063 e L 0.950 0.425 0.037 0.525 0.017 0.021 V-Type 6L DFN 3x3 Package www.richtek.com A-78 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 2.950 3.050 0.116 0.120 D2 2.100 2.350 0.083 0.093 E 2.950 3.050 0.116 0.120 E2 1.350 1.600 0.053 0.063 e L 0.650 0.425 0.026 0.525 0.017 0.021 V-Type 8L DFN 3x3 Package OD-100330 www.richtek.com A-79 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.950 3.050 0.116 0.120 D2 2.300 2.650 0.091 0.104 E 2.950 3.050 0.116 0.120 E2 1.500 1.750 0.059 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 V-Type 10L DFN 3x3 Package www.richtek.com A-80 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.800 1.000 0.031 0.039 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.350 0.450 0.014 0.018 D 4.950 5.050 0.195 0.199 D2 3.950 4.050 0.156 0.159 E 5.950 6.050 0.234 0.238 E2 3.350 3.450 0.132 0.136 e L 1.270 0.550 0.050 0.650 0.022 0.026 V-Type 8L DFN 5x6 Package OD-100330 www.richtek.com A-81 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 1.900 2.100 0.075 0.083 E 1.900 2.100 0.075 0.083 e 0.400 0.016 D2 0.850 0.950 0.033 0.037 E2 0.850 0.950 0.033 0.037 L 0.250 0.350 0.010 0.014 W-Type 12L QFN 2x2 Package www.richtek.com A-82 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.950 3.050 0.116 0.120 D2 1.300 1.750 0.051 0.069 E 2.950 3.050 0.116 0.120 E2 1.300 1.750 0.051 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 16L QFN 3x3 Package OD-100330 www.richtek.com A-83 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 2.900 3.100 0.114 0.122 D2 1.650 1.750 0.065 0.069 E 2.900 3.100 0.114 0.122 E2 1.650 1.750 0.065 0.069 e L 0.400 0.350 0.016 0.450 0.014 0.018 W-Type 20L QFN 3x3 Package www.richtek.com A-84 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.380 0.010 0.015 D 3.950 4.050 0.156 0.159 D2 2.000 2.450 0.079 0.096 E 3.950 4.050 0.156 0.159 E2 2.000 2.450 0.079 0.096 e L 0.650 0.500 0.026 0.600 0.020 0.024 W-Type 16L QFN 4x4 Package OD-100330 www.richtek.com A-85 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol D2 E2 Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.300 0.006 0.012 D 3.900 4.100 0.154 0.161 Option 1 2.650 2.750 0.104 0.108 Option 2 2.100 2.200 0.083 0.087 E 3.900 4.100 0.154 0.161 Option 1 2.650 2.750 0.104 0.108 Option 2 2.100 2.200 0.083 0.087 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 20L QFN 4x4 Package www.richtek.com A-86 OD-100330 D2 D SEE DETAIL A L 1 E E2 e b A3 Symbol 2 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 3.950 4.050 0.156 0.159 D2 2.300 2.750 0.091 0.108 E 3.950 4.050 0.156 0.159 E2 2.300 2.750 0.091 0.108 e L 1 DETAIL A Pin #1 ID and Tie Bar Mark Options A A1 1 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 24L QFN 4x4 Package OD-100330 www.richtek.com A-87 D2 D SEE DETAIL A L 1 E E2 e Symbol A3 2 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 3.900 4.100 0.154 0.161 D2 2.350 2.450 0.093 0.096 E 3.900 4.100 0.154 0.161 E2 2.350 2.450 0.093 0.096 e L 1 DETAIL A Pin #1 ID and Tie Bar Mark Options b A A1 1 0.400 0.400 0.016 0.500 0.016 0.020 W-Type 28L QFN 4x4 Package www.richtek.com A-88 OD-100330 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 3.900 4.100 0.154 0.161 D2 2.650 2.750 0.104 0.108 E 3.900 4.100 0.154 0.161 E2 2.650 2.750 0.104 0.108 e L 0.400 0.300 0.020 0.400 0.012 0.016 W-Type 32L QFN 4x4 Package OD-100330 www.richtek.com A-89 SEE DETAIL A D2 D e E2 E b L 2 Symbol A3 1 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.450 0.550 0.018 0.022 D 4.900 5.100 0.193 0.201 D2 3.350 3.550 0.132 0.140 E 4.900 5.100 0.193 0.201 E2 3.350 3.550 0.132 0.140 e L 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A A1 1 1.250 0.450 0.049 0.550 0.018 0.022 W-Type 12L QFN 5x5 Package www.richtek.com A-90 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b A A1 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.350 0.010 0.014 D 4.950 5.050 0.195 0.199 D2 3.000 3.300 0.118 0.130 E 4.950 5.050 0.195 0.199 E2 3.000 3.300 0.118 0.130 e L 0.800 0.500 0.031 0.600 0.020 0.024 W-Type 16L QFN 5x5 Package OD-100330 www.richtek.com A-91 D2 D SEE DETAIL A L 1 E E2 e A Dimensions In Millimeters 2 Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.250 0.350 0.010 0.014 D 4.950 5.050 0.195 0.199 D2 3.100 3.400 0.122 0.134 E 4.950 5.050 0.195 0.199 E2 3.100 3.400 0.122 0.134 e L 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. A1 Symbol 1 DETAIL A Pin #1 ID and Tie Bar Mark Options b A3 1 0.650 0.350 0.026 0.450 0.014 0.018 W-Type 24L QFN 5x5 Package www.richtek.com A-92 OD-100330 D2 D SEE DETAIL A L 1 E E2 e Symbol A3 2 2 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 4.950 5.050 0.195 0.199 D2 3.000 3.300 0.118 0.130 E 4.950 5.050 0.195 0.199 E2 3.000 3.300 0.118 0.130 e L 1 DETAIL A Pin #1 ID and Tie Bar Mark Options b A A1 1 0.500 0.450 0.020 0.650 0.018 0.026 W-Type 28L QFN 5x5 Package OD-100330 www.richtek.com A-93 D2 D SEE DETAIL A L 1 E E2 e b 1 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A A1 1 2 A3 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 4.950 5.050 0.195 0.199 D2 3.400 3.750 0.134 0.148 E 4.950 5.050 0.195 0.199 E2 3.400 3.750 0.134 0.148 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 32L QFN 5x5 Package www.richtek.com A-94 OD-100330 D SEE DETAIL A D2 L 1 E2 E e b 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A A3 A1 Symbol Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 4.950 5.050 0.195 0.199 D2 3.250 3.500 0.128 0.138 E 4.950 5.050 0.195 0.199 E2 3.250 3.500 0.128 0.138 e L 0.400 0.350 0.016 0.450 0.014 0.018 W-Type 40L QFN 5x5 Package OD-100330 www.richtek.com A-95 D2 D SEE DETAIL A 1 E E2 L e b 1 1 2 2 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.230 0.350 0.009 0.014 D 5.900 6.100 0.232 0.240 D2 3.500 4.100 0.138 0.161 E 5.900 6.100 0.232 0.240 E2 3.500 4.100 0.138 0.161 e L 0.650 0.500 0.026 0.700 0.020 0.028 W-Type 28L QFN 6x6 Package www.richtek.com A-96 OD-100330 D SEE DETAIL A D2 L 1 E E2 e b A 1 1 2 2 DETAIL A Pin #1 ID and Tie Bar Mark Options A3 A1 Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 5.950 6.050 0.234 0.238 D2 4.000 4.750 0.157 0.187 E 5.950 6.050 0.234 0.238 E2 4.000 4.750 0.157 0.187 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 40L QFN 6x6 Package OD-100330 www.richtek.com A-97 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 5.950 6.050 0.234 0.238 D2 4.250 4.350 0.167 0.171 E 5.950 6.050 0.234 0.238 E2 4.250 4.350 0.167 0.171 e L 0.400 0.350 0.016 0.450 0.014 0.018 W-Type 48L QFN 6x6 Package www.richtek.com A-98 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 6.950 7.050 0.274 0.278 D2 5.050 5.250 0.199 0.207 E 6.950 7.050 0.274 0.278 E2 5.050 5.250 0.199 0.207 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 48L QFN 7x7 Package OD-100330 www.richtek.com A-99 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 6.900 7.100 0.272 0.280 D2 5.150 5.250 0.203 0.207 E 6.900 7.100 0.272 0.280 E2 5.150 5.250 0.203 0.207 e L 0.400 0.350 0.020 0.450 0.014 0.018 W-Type 56L QFN 7x7 Package www.richtek.com A-100 OD-100330 D D2 SEE DETAIL A e E E2 L b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 1.900 2.100 0.075 0.083 D2 0.700 0.800 0.028 0.031 E 2.900 3.100 0.114 0.122 E2 1.700 1.800 0.067 0.071 e L 0.400 0.325 0.016 0.425 0.013 0.017 W-Type 16L QFN 2x3 Package OD-100330 www.richtek.com A-101 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.900 3.100 0.114 0.122 D2 1.600 1.700 0.063 0.067 E 3.900 4.100 0.154 0.161 E2 2.600 2.700 0.102 0.106 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 20L QFN 3x4 Package www.richtek.com A-102 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 3.400 3.600 0.134 0.142 D2 1.950 2.150 0.077 0.085 E 3.400 3.600 0.134 0.142 E2 1.950 2.150 0.077 0.085 e 0.500 0.020 e1 1.500 0.060 L 0.300 0.500 0.012 0.020 W-Type 14L QFN 3.5x3.5 Package OD-100330 www.richtek.com A-103 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 3.900 4.100 0.154 0.161 D2 2.600 2.700 0.102 0.106 E 4.900 5.100 0.193 0.201 E2 3.600 3.700 0.142 0.146 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 28L QFN 4x5 Package www.richtek.com A-104 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dim ensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 6.400 6.600 0.252 0.260 D2 5.050 5.150 0.199 0.203 E 4.400 4.600 0.173 0.181 E2 3.050 3.150 0.120 0.124 e L 0.400 0.350 0.020 0.450 0.014 0.018 W-Type 46L QFN 6.5x4.5 Package OD-100330 www.richtek.com A-105 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 1.550 1.650 0.061 0.065 E 1.550 1.650 0.061 0.065 e L 0.400 0.350 0.016 0.450 0.014 0.018 W-Type 8L QFN 1.6x1.6 (COL) Package www.richtek.com A-106 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 1.900 2.100 0.075 0.083 E 1.900 2.100 0.075 0.083 e L 0.400 0.350 0.016 0.450 0.014 0.018 W-Type 12L QFN 2x2 (COL) Package OD-100330 www.richtek.com A-107 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 1.900 2.100 0.075 0.083 E 1.900 2.100 0.075 0.083 e L 0.400 0.300 0.016 0.400 0.012 0.016 W-Type 14L QFN 2x2 (COL) Package www.richtek.com A-108 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 2.900 3.100 0.114 0.122 E 2.900 3.100 0.114 0.122 e 0.400 0.016 L 0.350 0.450 0.014 0.018 L1 0.950 1.050 0.037 0.041 W-Type 24L QFN 3x3 (COL) Package OD-100330 www.richtek.com A-109 D2 D L E E2 1 e b A A1 SEE DETAIL A 2 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.350 0.008 0.014 D 1.950 2.050 0.077 0.081 D2 1.000 1.450 0.039 0.057 E 1.950 2.050 0.077 0.081 E2 0.500 0.850 0.020 0.033 e L 0.650 0.300 0.026 0.400 0.012 0.016 W-Type 6L DFN 2x2 Package www.richtek.com A-110 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 1.950 2.050 0.077 0.081 D2 1.000 1.250 0.039 0.049 E 1.950 2.050 0.077 0.081 E2 0.400 0.650 0.016 0.026 e L 0.500 0.300 0.020 0.400 0.012 0.016 W-Type 8L DFN 2x2 Package OD-100330 www.richtek.com A-111 D2 D L E E2 1 e b A A1 SEE DETAIL A 2 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.350 0.450 0.014 0.018 D 2.950 3.050 0.116 0.120 D2 2.200 2.400 0.087 0.094 E 2.950 3.050 0.116 0.120 E2 1.400 1.600 0.055 0.063 e L 0.950 0.425 0.037 0.525 0.017 0.021 W-Type 6L DFN 3x3 Package www.richtek.com A-112 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 2.950 3.050 0.116 0.120 D2 2.100 2.350 0.083 0.093 E 2.950 3.050 0.116 0.120 E2 1.350 1.600 0.053 0.063 e L 0.650 0.425 0.026 0.525 0.017 0.021 W-Type 8L DFN 3x3 Package OD-100330 www.richtek.com A-113 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.950 3.050 0.116 0.120 D2 2.200 2.700 0.087 0.106 E 2.950 3.050 0.116 0.120 E2 1.450 1.750 0.057 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 8L DFN 3x3 Package, 0.5mm Lead Pitch www.richtek.com A-114 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.950 3.050 0.116 0.120 D2 2.300 2.650 0.091 0.104 E 2.950 3.050 0.116 0.120 E2 1.500 1.750 0.059 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 10L DFN 3x3 Package OD-100330 www.richtek.com A-115 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 2.950 3.050 0.116 0.120 D2 2.300 2.650 0.091 0.104 E 2.950 3.050 0.116 0.120 E2 1.400 1.750 0.055 0.069 e L 0.450 0.350 0.018 0.450 0.014 0.018 W-Type 12L DFN 3x3 Package www.richtek.com A-116 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 1.550 1.650 0.061 0.065 D2 0.950 1.050 0.037 0.041 E 1.550 1.650 0.061 0.065 E2 0.550 0.650 0.022 0.026 e L 0.500 0.190 0.020 0.290 0.007 0.011 W-Type 6L DFN 1.6x1.6 Package OD-100330 www.richtek.com A-117 D D2 L E E2 SEE DETAIL A 1 e b 2 A A1 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dim ensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.300 0.008 0.012 D 1.900 2.100 0.075 0.083 D2 1.550 1.650 0.061 0.065 E 2.900 3.100 0.114 0.122 E2 1.650 1.750 0.065 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 8L DFN 2x3 Package www.richtek.com A-118 OD-100330 D2 D L E2 E 1 e A A1 SEE DETAIL A b A3 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 2.900 3.100 0.114 0.122 D2 2.450 2.550 0.096 0.100 E 1.900 2.100 0.075 0.083 E2 0.750 0.850 0.030 0.033 e L 0.500 0.250 0.020 0.350 0.010 0.014 W-Type 10L DFN 3x2 Package OD-100330 www.richtek.com A-119 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.180 0.300 0.007 0.012 D 3.950 4.050 0.156 0.159 D2 3.250 3.350 0.128 0.132 E 2.950 3.050 0.116 0.120 E2 1.650 1.750 0.065 0.069 e L 0.500 0.350 0.020 0.450 0.014 0.018 W-Type 12L DFN 4x3 Package www.richtek.com A-120 OD-100330 2 1 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.150 0.250 0.006 0.010 D 3.900 4.100 0.154 0.161 D2 3.250 3.350 0.128 0.132 E 2.900 3.100 0.114 0.122 E2 1.550 1.650 0.061 0.065 e L 0.450 0.300 0.020 0.400 0.012 0.016 W-Type 16L DFN 4x3 Package OD-100330 www.richtek.com A-121 D2 D L E E2 1 e b A A1 SEE DETAIL A 2 1 2 1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.700 0.800 0.028 0.031 A1 0.000 0.050 0.000 0.002 A3 0.175 0.250 0.007 0.010 b 0.200 0.350 0.008 0.014 D 1.900 2.100 0.075 0.083 D2 1.550 1.650 0.061 0.065 E 1.900 2.100 0.075 0.083 E2 0.950 1.050 0.037 0.041 e L 0.650 0.200 0.026 0.300 0.008 0.012 W-Type 6SL DFN 2x2 Package www.richtek.com A-122 OD-100330 D2 D L E E2 1 e SEE DETAIL A b 2 1 2 1 A A1 A3 DETAIL A Pin #1 ID and Tie Bar Mark Options Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.400 0.500 0.016 0.020 A1 0.000 0.050 0.000 0.002 A3 0.100 0.150 0.004 0.006 b 0.200 0.300 0.008 0.012 D 1.950 2.050 0.077 0.081 D2 1.000 1.250 0.039 0.049 E 1.950 2.050 0.077 0.081 E2 0.400 0.650 0.016 0.026 e L 0.500 0.300 0.020 0.400 0.012 0.016 X-Type 8L DFN 2x2 Package OD-100330 www.richtek.com A-123 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.600 0.020 0.024 A1 0.130 0.180 0.005 0.007 b 0.180 0.250 0.007 0.010 D 1.300 1.400 0.051 0.055 D1 E 0.693 0.680 0.027 0.780 0.027 0.031 E1 0.400 0.016 e 0.400 0.016 e1 0.693 0.027 5B WL-CSP 0.70x1.35 Package www.richtek.com A-124 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.600 0.020 0.024 A1 0.130 0.180 0.005 0.007 b 0.180 0.250 0.007 0.010 D 1.250 1.350 0.049 0.053 D1 E 0.800 0.850 0.031 0.950 0.033 0.037 E1 0.400 0.016 e 0.400 0.016 6B WL-CSP 0.9x1.3 Package OD-100330 www.richtek.com A-125 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 1.950 2.050 0.077 0.081 D1 E 1.500 0.950 0.059 1.050 0.037 0.041 E1 0.500 0.020 e 0.500 0.020 8B WL-CSP 1x2 Package www.richtek.com A-126 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 1.450 1.550 0.057 0.061 D1 E 1.000 1.450 0.039 1.550 0.057 0.061 E1 1.000 0.039 e 0.500 0.020 8B WL-CSP 1.5x1.5 Package OD-100330 www.richtek.com A-127 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.700 0.020 0.028 A1 0.150 0.350 0.006 0.014 b 0.250 0.350 0.010 0.014 D 1.450 1.550 0.057 0.061 D1 E 1.000 1.450 0.039 1.550 0.057 0.061 E1 1.000 0.039 e 0.500 0.020 9B WL-CSP 1.5x1.5 Package www.richtek.com A-128 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 2.500 2.600 0.098 0.102 D1 E 2.000 2.000 0.079 2.100 0.079 0.083 E1 1.500 0.059 e 0.500 0.020 WL-CSP-20B 2.05x2.55 OD-100330 www.richtek.com A-129 Dimensions In Millimeters Symbol Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 1.900 2.000 0.075 0.079 D1 E 1.500 2.400 0.059 2.500 0.094 0.098 E1 2.000 0.079 e 0.500 0.020 20B WL-CSP 2.45x1.95 Package www.richtek.com A-130 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 2.000 2.100 0.079 0.083 D1 E 1.500 2.500 0.059 2.600 0.098 0.102 E1 2.000 0.079 e 0.500 0.020 20B WL-CSP 2.55x2.05 Package OD-100330 www.richtek.com A-131 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.525 0.625 0.021 0.025 A1 0.200 0.260 0.008 0.010 b 0.290 0.350 0.011 0.014 D 2.400 2.500 0.094 0.098 D1 E 2.000 2.400 0.079 2.500 0.094 0.098 E1 2.000 0.079 e 0.500 0.020 25B WL-CSP 2.45x2.45 Package www.richtek.com A-132 OD-100330 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.600 0.020 0.024 A1 0.130 0.180 0.005 0.007 b 0.180 0.250 0.007 0.010 D 2.000 2.100 0.079 0.083 D1 E 1.600 2.400 0.063 2.500 0.094 0.098 E1 2.000 0.079 e 0.400 0.016 30B WL-CSP 2.45x2.05 Package OD-100330 www.richtek.com A-133 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.500 0.600 0.020 0.024 A1 0.130 0.180 0.005 0.007 b 0.180 0.250 0.007 0.010 D 2.350 2.450 0.093 0.096 D1 E 2.000 2.350 0.079 2.450 0.093 0.096 E1 2.000 0.079 e 0.400 0.016 32B WL-CSP 2.4x2.4 Package www.richtek.com A-134 OD-100330