FOOTPRINTS INFORMATION zTSOT/SOT/SC TSOT-23-3/SOT-23-3 ----------------------------------------------------------------------------------------------------------------- B4 TSOT-23-5/SOT-23-5 ----------------------------------------------------------------------------------------------------------------- B4 TSOT-23-6/SOT-23-6 ----------------------------------------------------------------------------------------------------------------- B4 TSOT-23-8/SOT-23-8 ----------------------------------------------------------------------------------------------------------------- B4 SC-70-3 ---------------------------------------------------------------------------------------------------------------------------------- B5 SC-70-4 ---------------------------------------------------------------------------------------------------------------------------------- B5 SC-70-5 ---------------------------------------------------------------------------------------------------------------------------------- B5 SC-70-6 ---------------------------------------------------------------------------------------------------------------------------------- B5 SC-82 ------------------------------------------------------------------------------------------------------------------------------------ B6 SOT-143 --------------------------------------------------------------------------------------------------------------------------------- B6 SOJ-2021-10L -------------------------------------------------------------------------------------------------------------------------- B6 SOT-563 --------------------------------------------------------------------------------------------------------------------------------- B6 SOT-89 ---------------------------------------------------------------------------------------------------------------------------------- B7 SOT-89-5 -------------------------------------------------------------------------------------------------------------------------------- B7 SOT-223 --------------------------------------------------------------------------------------------------------------------------------- B7 SOT-223-5 ------------------------------------------------------------------------------------------------------------------------------ B7 z TO TO-252 ----------------------------------------------------------------------------------------------------------------------------------- B8 TO-252-4 -------------------------------------------------------------------------------------------------------------------------------- B8 TO-252-5 -------------------------------------------------------------------------------------------------------------------------------- B8 TO-263 ----------------------------------------------------------------------------------------------------------------------------------- B9 TO-263-5 -------------------------------------------------------------------------------------------------------------------------------- B9 TO-263S-5 ------------------------------------------------------------------------------------------------------------------------------ B9 TO-263-7 -------------------------------------------------------------------------------------------------------------------------------- B9 z MSOP MSOP-8 --------------------------------------------------------------------------------------------------------------------------------- B10 MSOP-8 (Exposed Pad) ------------------------------------------------------------------------------------------------------------ B10 MSOP-10 ------------------------------------------------------------------------------------------------------------------------------- B10 MSOP-10 (Exposed Pad) ----------------------------------------------------------------------------------------------------------- B10 z SOP SOP-8 (Exposed Pad) --------------------------------------------------------------------------------------------------------------- B11 SOP-8 ----------------------------------------------------------------------------------------------------------------------------------- B11 SOP-14 ---------------------------------------------------------------------------------------------------------------------------------- B11 SOP-16 ---------------------------------------------------------------------------------------------------------------------------------- B11 SOP-20 (300 mil) --------------------------------------------------------------------------------------------------------------------- B12 SOP-24 (300 mil) --------------------------------------------------------------------------------------------------------------------- B12 SOP-28 (300 mil) --------------------------------------------------------------------------------------------------------------------- B12 SOP-32 (300 mil) --------------------------------------------------------------------------------------------------------------------- B12 SOP-24 (236 mil) --------------------------------------------------------------------------------------------------------------------- B12 FP-100330 www.richtek.com B-1 FOOTPRINTS INFORMATION z SSOP SSOP-16 -------------------------------------------------------------------------------------------------------------------------------- B12 SSOP-24 -------------------------------------------------------------------------------------------------------------------------------- B12 SSOP-28 -------------------------------------------------------------------------------------------------------------------------------- B12 z TSSOP TSSOP-8 -------------------------------------------------------------------------------------------------------------------------------- B13 TSSOP-14 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-16 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-20 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-24 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-28 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-32 ------------------------------------------------------------------------------------------------------------------------------ B13 TSSOP-14 (Exposed Pad) ---------------------------------------------------------------------------------------------------------- B14 TSSOP-16 (Exposed Pad) ---------------------------------------------------------------------------------------------------------- B14 TSSOP-24 (Exposed Pad) ---------------------------------------------------------------------------------------------------------- B14 TSSOP-28 (Exposed Pad) ---------------------------------------------------------------------------------------------------------- B14 zVDFN/WDFN/XDFN V/W/XDFN-2x2-6L -------------------------------------------------------------------------------------------------------------------- B15 V/W/XDFN-2x2-6SL ------------------------------------------------------------------------------------------------------------------ B15 V/W/XDFN-3x3-6L -------------------------------------------------------------------------------------------------------------------- B15 V/W/XDFN-2x2-8L -------------------------------------------------------------------------------------------------------------------- B15 V/WDFN-3x3-8L ----------------------------------------------------------------------------------------------------------------------- B15 V/W/XDFN-3x3-8E -------------------------------------------------------------------------------------------------------------------- B15 V/W/XDFN-3x3-10L ------------------------------------------------------------------------------------------------------------------- B15 V/W/XDFN-3x3-12L ------------------------------------------------------------------------------------------------------------------- B15 WDFN-1.6x1.6-6L --------------------------------------------------------------------------------------------------------------------- B16 V/W/XDFN-2x3-8L -------------------------------------------------------------------------------------------------------------------- B16 V/W/XDFN-3x2-10L ------------------------------------------------------------------------------------------------------------------- B16 V/W/XDFN-4x3-12L ------------------------------------------------------------------------------------------------------------------- B16 V/W/XDFN-4x3-16L ------------------------------------------------------------------------------------------------------------------- B17 V/WDFN-5x6-8L ----------------------------------------------------------------------------------------------------------------------- B17 z VQFN/WQFN/XQFN V/W/XQFN-2x2-12L ------------------------------------------------------------------------------------------------------------------- B18 V/W/XQFN-3x3-16L ------------------------------------------------------------------------------------------------------------------- B18 V/W/XQFN-4x4-16L ------------------------------------------------------------------------------------------------------------------- B18 V/WQFN-5x5-16L --------------------------------------------------------------------------------------------------------------------- B18 V/W/XQFN-3x3-20L ------------------------------------------------------------------------------------------------------------------- B18 V/WQFN-4x4-20L (Option 1 & Option 2) ---------------------------------------------------------------------------------------- B18 V/W/XQFN-4x4-24L ------------------------------------------------------------------------------------------------------------------- B18 V/WQFN-5x5-24L --------------------------------------------------------------------------------------------------------------------- B18 V/WQFN-4x4-28L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-5x5-28L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-6x6-28L --------------------------------------------------------------------------------------------------------------------- B19 www.richtek.com B-2 FP-100330 FOOTPRINTS INFORMATION V/WQFN-4x4-32L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-5x5-32L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-5x5-40L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-6x6-40L --------------------------------------------------------------------------------------------------------------------- B19 V/WQFN-6x6-48L --------------------------------------------------------------------------------------------------------------------- B20 V/WQFN-7x7-48L --------------------------------------------------------------------------------------------------------------------- B20 V/WQFN-7x7-56L --------------------------------------------------------------------------------------------------------------------- B20 V/W/XQFN-2x3-16L ------------------------------------------------------------------------------------------------------------------- B20 V/W/XQFN-3x4-20L ------------------------------------------------------------------------------------------------------------------- B20 V/WQFN-5x5-12L --------------------------------------------------------------------------------------------------------------------- B21 V/WQFN-3.5x3.5-14L ---------------------------------------------------------------------------------------------------------------- B21 V/WQFN-4x5-28L --------------------------------------------------------------------------------------------------------------------- B21 V/WQFN-6.5x4.5-46L ---------------------------------------------------------------------------------------------------------------- B21 V/W/XQFN-1.6x1.6-8L (COL) ------------------------------------------------------------------------------------------------------ B22 V/W/XQFN-2x2-12L (COL) ---------------------------------------------------------------------------------------------------------- B22 V/W/XQFN-2x2-14L (COL) ---------------------------------------------------------------------------------------------------------- B22 V/W/XQFN-3x3-24L (COL) ---------------------------------------------------------------------------------------------------------- B22 z WLCSP WL-CSP-0.7x1.35-5B ---------------------------------------------------------------------------------------------------------------- B23 WL-CSP-0.9x1.3-6B ----------------------------------------------------------------------------------------------------------------- B23 WL-CSP-1x2-8B ---------------------------------------------------------------------------------------------------------------------- B23 WL-CSP-1.5x1.5-8B ----------------------------------------------------------------------------------------------------------------- B23 WL-CSP-1.5x1.5-9B ----------------------------------------------------------------------------------------------------------------- B24 WL-CSP-2.05x2.55-20B ------------------------------------------------------------------------------------------------------------- B24 WL-CSP-2.45x1.95-20B ------------------------------------------------------------------------------------------------------------- B24 WL-CSP-2.55x2.05-20B ------------------------------------------------------------------------------------------------------------- B24 WL-CSP-2.45x2.45-25B ------------------------------------------------------------------------------------------------------------- B25 WL-CSP-2.45x2.05-30B ------------------------------------------------------------------------------------------------------------- B25 WL-CSP-2.4x2.4-32B ---------------------------------------------------------------------------------------------------------------- B25 FP-100330 www.richtek.com B-3 TSOT-23-3/SOT-23-3 TSOT-23-5/SOT-23-5 TSOT-23-6/SOT-23-6 TSOT-23-8/SOT-23-8 Package Number Footprint Dimension (mm) Tolerance of Pin P1 P2 A B C D M (T)SOT-23-3 3 0.95 1.90 3.60 1.60 1.00 0.80 2.70 ±0.10 (T)SOT-23-5 5 0.95 1.90 3.60 1.60 1.00 0.70 2.60 ±0.10 (T)SOT-23-6 6 0.95 -- 3.60 1.60 1.00 0.70 2.60 ±0.10 (T)SOT-23-8 8 0.65 -- 3.60 1.60 1.00 0.45 2.40 ±0.10 www.richtek.com B-4 FP-100330 SC-70-3 SC-70-4 SC-70-5 SC-70-6 Package Number Footprint Dimension (mm) Tolerance of Pin P1 P2 A B C D M SC-70-3 3 0.65 1.30 2.70 1.10 0.80 0.60 1.90 ±0.10 SC-70-4 4 1.30 -- 2.70 1.10 0.80 0.60 1.90 ±0.10 SC-70-5 5 0.65 1.30 2.70 1.10 0.80 0.40 1.70 ±0.10 SC-70-6 6 0.65 -- 2.70 1.10 0.80 0.40 1.70 ±0.10 FP-100330 www.richtek.com B-5 SC-82 SOT-143 SOJ-2021-10L SOT-563 Package Number Footprint Dimension (mm) Tolerance of Pin P1 A B C D D1 M SC-82 4 1.30 2.70 1.10 0.80 0.60 0.80 1.90 ±0.10 SOT-143 4 1.90 3.30 1.30 1.00 0.60 1.03 2.50 ±0.10 SOJ-2021-10L 10 0.40 2.55 1.10 0.725 0.20 -- 1.80 ±0.05 SOT-563 6 0.50 2.42 1.02 0.70 0.30 -- 1.30 ±0.10 www.richtek.com B-6 FP-100330 SOT-89 SOT-89-5 SOT-223 SOT-223-5 Package Number Footprint Dimension (mm) Tolerance of Pin P1 P2 A B B1 C D D1 D2 M SOT-89 3 1.50 3.00 5.10 3.40 -- 1.50 1.00 2.20 1.00 4.00 ±0.10 SOT-89-5 5 1.50 3.00 5.50 3.80 1.70 1.50 0.70 2.20 1.00 3.70 ±0.10 SOT-223 4 2.30 4.60 8.00 4.60 -- 1.60 1.00 3.30 -- 5.60 ±0.10 SOT-223-5 5 1.27 5.08 8.00 4.60 -- 1.60 0.457 3.30 -- 5.84 ±0.10 FP-100330 www.richtek.com B-7 TO-252 TO-252-4 TO-252-5 M A B C D P1 P2 Package Number of Footprint Dimension (mm) Tolerance Pin P P1 P2 A B C D M TO-252 2 4.60 -- -- 11.50 2.00 2.50 1.50 7.00 ±0.10 TO-252-4 4 -- 1.27 2.54 11.50 2.00 2.50 1.00 7.00 ±0.10 TO-252-5 5 1.27 -- -- 11.50 2.00 2.50 1.00 7.00 ±0.10 www.richtek.com B-8 FP-100330 TO-263 TO-263-5/TO-263S-5 TO-263-7 Package Number Footprint Dimension (mm) Tolerance of Pin P A B C D M TO-263 3 2.54 16.50 3.00 3.50 1.50 8.50 ±0.10 TO-263-5 5 1.70 17.00 3.00 4.00 1.31 8.50 ±0.10 TO-263S-5 5 1.70 16.00 3.00 3.00 1.31 8.50 ±0.10 TO-263-7 7 1.25 17.00 3.00 4.00 0.70 8.50 ±0.10 FP-100330 www.richtek.com B-9 MSOP-8 MSOP-8 (Exposed Pad) MSOP-10 MSOP-10 (Exposed Pad) Package Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M MSOP-8 8 0.65 5.80 3.60 1.10 0.35 -- -- 2.30 ±0.10 MSOP-8 (EP) 8 0.65 5.80 3.60 1.10 0.35 1.90 1.70 2.30 ±0.10 MSOP-10 10 0.50 5.80 3.60 1.10 0.25 -- -- 2.25 ±0.10 MSOP-10 (EP) 10 0.50 5.80 3.60 1.10 0.25 1.90 1.70 2.25 ±0.10 www.richtek.com B-10 FP-100330 SOP-8 (Exposed Pad) SOP-8 SOP-14 SOP-16 Package Number Footprint Dimension (mm) of Pin P A B C D SOP-8 (EP) 8 1.27 6.80 4.20 1.30 0.70 SOP-8 8 1.27 6.80 4.20 1.30 SOP-14 14 1.27 6.80 4.20 SOP-16 16 1.27 6.80 4.20 FP-100330 Tolerance Sx Sy 2.30 2.30 3.40 2.40 0.70 -- 1.30 0.70 1.30 0.70 M 4.51 ±0.10 -- 4.51 ±0.10 -- -- 8.32 ±0.10 -- -- 9.59 ±0.10 www.richtek.com B-11 SOP-20 / SOP-24 / SOP-28 / SOP-32 (Body Width = 300mil) SOP-24 (Body Width = 236mil) SSOP-16 Package SSOP-24 / SSOP-28 Number Footprint Dimension (mm) Tolerance of Pin P A B C D M SOP-20 (300mil) 20 1.27 11.20 8.00 1.60 0.70 12.13 ±0.10 SOP-24 (300mil) 24 1.27 11.20 8.00 1.60 0.70 14.67 ±0.10 SOP-28 (300mil) 28 1.27 11.20 8.00 1.60 0.70 17.21 ±0.10 SOP-32 (300mil) 32 1.27 11.20 8.00 1.60 0.70 19.75 ±0.10 SOP-24 (236mil) 24 1.00 9.00 6.80 1.25 0.70 11.70 ±0.10 SSOP-16 16 0.64 6.80 4.20 1.30 0.30 4.78 ±0.10 SSOP-24 24 0.635 6.80 4.20 1.30 0.30 7.29 ±0.10 SSOP-28 28 0.64 6.80 4.20 1.30 0.30 8.62 ±0.10 www.richtek.com B-12 FP-100330 TSSOP-8 TSSOP-14 TSSOP-16 TSSOP-20 / TSSOP-24 / TSSOP-28 / TSSOP-32 Package Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M TSSOP-8 8 0.65 7.00 5.00 1.00 0.35 -- -- 2.30 ±0.10 TSSOP-14 14 0.65 7.00 5.00 1.00 0.35 -- -- 4.25 ±0.10 TSSOP-16 16 0.65 7.00 5.00 1.00 0.35 -- -- 4.90 ±0.10 TSSOP-20 20 0.65 7.00 5.00 1.00 0.35 -- -- 6.20 ±0.10 TSSOP-24 24 0.65 7.00 5.00 1.00 0.35 -- -- 7.50 ±0.10 TSSOP-28 28 0.65 7.00 5.00 1.00 0.35 -- -- 8.80 ±0.10 TSSOP-32 32 0.65 7.00 5.00 1.00 0.35 -- -- 10.10 ±0.10 FP-100330 www.richtek.com B-13 TSSOP-16 (Exposed Pad) TSSOP-14 (Exposed Pad) TSSOP-24 (Exposed Pad)/TSSOP-28 (Exposed Pad) Package Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M TSSOP-14 (EP) 14 0.65 7.00 5.00 1.00 0.35 4.25 2.90 2.60 ±0.10 TSSOP-16 (EP) 16 0.65 7.00 5.00 1.00 0.35 3.00 3.00 4.90 ±0.10 TSSOP-24 (EP) 24 0.65 7.00 5.00 1.00 0.35 4.80 3.10 7.50 ±0.10 28 0.65 7.00 5.00 1.00 0.35 5.51 3.00 6.17 2.21 8.80 ±0.10 TSSOP-28 Option 1 (EP) Option 2 www.richtek.com B-14 FP-100330 V/W/X DFN-2x2-6L / V/W/X DFN-2x2-6SL V/W/X DFN-3x3-6L V/W/X DFN-2x2-8L / V/W/X DFN-3x3-8L V/W/X DFN-3x3-8E V/W/X DFN-3x3-10L V/W/X DFN-3x3-12L Package Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M V/W/X DFN 2x2-6L 6 0.65 2.80 1.20 0.80 0.35 1.40 0.70 1.65 ±0.050 V/W /X DFN 2x2-6SL 6 0.65 2.80 1.40 0.70 0.35 1.60 1.00 1.65 ±0.030 V/W/X DFN 3x3-6L 6 0.95 3.80 2.10 0.85 0.50 2.40 1.40 2.40 ±0.050 V/W/X DFN 2x2-8L 8 0.50 2.80 1.20 0.80 0.30 1.30 0.70 1.80 ±0.030 V/W/X DFN 3x3-8L 8 0.65 3.80 2.10 0.85 0.30 2.30 1.40 2.25 ±0.050 V/W /X DFN 3x3-8E 8 0.50 3.80 2.10 0.85 0.30 2.30 1.40 1.80 ±0.030 V/W/X DFN 3x3-10L 10 0.50 3.80 2.10 0.85 0.30 2.50 1.50 2.30 ±0.030 V/W/X DFN 3x3-12L 12 0.45 3.80 2.10 0.85 0.30 2.50 1.50 2.55 ±0.030 FP-100330 www.richtek.com B-15 WDFN-1.6x1.6-6L V/W/X DFN-2x3-8L M Sx Sy B A C P V/W/X DFN-3x2-10L Package D V/W/X DFN-4x3-12L Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M WDFN 1.6x1.6-6L 6 0.50 2.42 1.02 0.70 0.30 1.00 0.60 1.30 ±0.030 V/W/X DFN 2x3-8L 8 0.50 3.80 2.10 0.85 0.30 1.60 1.70 1.80 ±0.030 V/W/X DFN 3x2-10L 10 0.50 2.70 1.30 0.75 0.30 2.60 0.85 2.30 ±0.030 V/W/X DFN 4x3-12L 12 0.50 3.80 2.10 0.85 0.30 3.20 1.60 2.80 ±0.030 www.richtek.com B-16 FP-100330 V/W/X DFN-4x3-16L Package V/W DFN-5x6-8L Number Footprint Dimension (mm) Tolerance of Pin P A B C D Sx Sy M V/W/X DFN 4x3-16L 16 0.45 3.80 2.10 0.85 0.32 3.30 1.60 3.47 ±0.030 V/W DFN 5x6-8L 8 1.27 6.90 4.70 1.10 0.50 4.10 3.50 4.31 ±0.030 FP-100330 www.richtek.com B-17 V/W/X QFN-2x2-12L V/W/X QFN-3x3-16L / V/W/X QFN-4x4-16L V/W QFN-5x5-16L Ax Bx Sx Sy By Ay C P D V/W/X QFN-3x3-20L / V/W QFN-4x4-20L Package V/W/X QFN-4x4-24L / V/W QFN-5x5-24L Number Footprint Dimension (mm) of Pin P Ax Ay Bx V/W/X QFN 2x2-12L 12 0.40 2.70 2.70 1.30 V/W/X QFN 3x3-16L 16 0.50 3.80 3.80 V/W/X QFN 4x4-16L 16 0.65 5.00 V/W QFN 5x5-16L 16 0.80 V/W/X QFN 3x3-20L 20 V/W QFN Option 1 4x4-20L Option 2 20 By C Tolerance D D1 Sx Sy 1.30 0.70 0.25 -- 0.90 0.90 ±0.030 2.10 2.10 0.85 0.30 -- 1.50 1.50 ±0.030 5.00 2.80 2.80 1.10 0.35 -- 2.10 2.10 ±0.050 6.00 6.00 3.80 3.80 1.10 0.35 -- 3.10 3.10 ±0.050 0.40 3.80 3.80 2.10 2.10 0.85 0.25 -- 1.70 1.70 ±0.030 0.50 4.80 4.80 3.10 3.10 0.85 0.30 -- 2.60 2.60 ±0.030 0.50 4.80 4.80 3.10 3.10 0.85 0.30 -- 2.20 2.20 ±0.030 V/W/X QFN 4x4-24L 24 0.50 4.80 4.80 3.10 3.10 0.85 0.30 -- 2.60 2.60 ±0.030 V/W QFN 5x5-24L 24 0.65 5.80 5.80 4.10 4.10 0.85 0.35 -- 3.10 3.10 ±0.050 www.richtek.com B-18 FP-100330 V/W QFN-4x4-28L / V/W QFN-5x5-28L / V/W QFN-6x6-28L V/W QFN-4x4-32L V/W QFN-5x5-32L V/W QFN-5x5-40L / V/W QFN-6x6-40L Package Number Footprint Dimension (mm) Tolerance of Pin P Ax Ay Bx By C D Sx Sy V/W QFN 4x4-28L 28 0.40 5.00 5.00 3.10 3.10 0.95 0.27 2.40 2.40 ±0.030 V/W QFN 5x5-28L 28 0.50 6.00 6.00 3.80 3.80 1.10 0.30 3.10 3.10 ±0.030 V/W QFN 6x6-28L 28 0.65 7.00 7.00 4.70 4.70 1.15 0.35 3.80 3.80 ±0.050 V/W QFN 4x4-32L 32 0.40 4.80 4.80 3.10 3.10 0.85 0.25 2.75 2.75 ±0.030 V/W QFN 5x5-32L 32 0.50 5.80 5.80 4.10 4.10 0.85 0.30 3.40 3.40 ±0.030 V/W QFN 5x5-40L 40 0.40 6.00 6.00 4.10 4.10 0.95 0.25 3.40 3.40 ±0.030 V/W QFN 6x6-40L 40 0.50 6.80 6.80 5.10 5.10 0.85 0.30 4.20 4.20 ±0.030 FP-100330 www.richtek.com B-19 V/W QFN-6x6-48L / V/W QFN-7x7-48L V/W QFN-7x7-56L V/W/X QFN-2x3-16L V/W/X QFN-3x4-20L Ax Bx Sx D Ay By Sy P C Package Number Footprint Dimension (mm) Tolerance of Pin P Ax Ay Bx By C D Sx Sy V/W QFN 6x6-48L 48 0.40 6.80 6.80 5.10 5.10 0.85 0.20 4.40 4.40 ±0.030 V/W QFN 7x7-48L 48 0.50 7.80 7.80 6.10 6.10 0.85 0.30 5.25 5.25 ±0.030 V/W QFN 7x7-56L 56 0.40 7.80 7.80 6.10 6.10 0.85 0.20 5.30 5.30 ±0.050 V/W/X QFN 2x3-16L 16 0.40 2.80 3.80 1.20 2.20 0.80 0.25 0.75 1.75 ±0.030 V/W/X QFN 3x4-20L 20 0.50 4.00 5.00 2.10 3.10 0.95 0.32 1.65 2.65 ±0.030 www.richtek.com B-20 FP-100330 V/W QFN-3.5x3.5-14L V/W QFN-4x5-28L Ax Bx Sx D Ay By Sy P1 C P2 V/W QFN-5x5-12L Package V/W QFN-6.5x4.5-46L Number Footprint Dimension (mm) of Pin P P1 V/W QFN 3.5x3.5-14L 14 -- 0.5 V/W QFN 4x5-28L 28 0.50 V/W QFN 5x5-12L 12 1.25 -- V/W QFN 6.5x4.5-46L 46 0.40 -- FP-100330 P2 Ax Ay Bx By C Tolerance D Sx Sy 1.25 4.30 4.30 2.60 2.60 0.85 0.30 2.15 2.15 ±0.030 5.00 6.00 3.10 4.10 0.95 0.35 2.65 3.65 ±0.050 -- 5.80 5.80 3.90 3.90 0.95 0.60 3.45 3.45 ±0.050 -- 7.30 5.30 5.60 3.60 0.85 0.20 5.15 3.15 ±0.030 www.richtek.com B-21 V/W/X QFN-1.6x1.6-8L (COL) V/W/X QFN-2x2-12L (COL) Ax Bx Ax 45° Bx D1 By Ay D1 P By Ay D C C P V/W/X QFN-2x2-14L (COL) Package V/W/X QFN 1.6x1.6-8L (COL) V/W /X QFN 2x2-12L (COL) V/W /X QFN 2x2-14L (COL) V/W /X QFN 3x3-24L (COL) www.richtek.com B-22 V/W/X QFN-3x3-24L (COL) Number of Pin D Footprint Dimension (mm) P Ax Ay Bx By C Tolerance C1 C2 D D1 D2 8 0.40 2.30 2.30 0.70 0.70 0.80 -- -- 0.25 0.30 -- ±0.030 12 0.40 2.70 2.70 1.20 1.20 0.75 -- -- 0.25 0.30 -- ±0.030 14 0.40 2.80 2.80 1.20 1.30 -- 0.80 0.75 0.20 -- -- ±0.030 24 0.40 3.80 3.80 0.90 2.15 -- 1.45 0.825 0.20 0.30 ±0.030 FP-100330 NSMD & SMD for all WL-CSP Type WL-CSP-0.7x1.35-5B WL-CSP-0.9x1.3-6B WL-CSP-1x2-8B WL-CSP-1.5x1.5-8B Package WL-CSP-0.7x1.35-5B Package Number of Pin 5 Number of Pin WL-CSP-0.9x1.3-6B 6 WL-CSP-1x2-8B 8 WL-CSP-1.5x1.5-8B 8 FP-100330 Footprint Dimension (mm) Type Tolerance e e1 A B NSMD 0.400 0.693 0.170 0.250 ±0.025 SMD 0.400 0.693 0.250 0.170 ±0.025 Footprint Dimension (mm) Type Tolerance e A B NSMD 0.4 0.170 0.250 ±0.025 SMD 0.4 0.250 0.170 ±0.025 NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 www.richtek.com B-23 NSMD & SMD for all WL-CSP Type WL-CSP-1.5x1.5-9B WL-CSP-2.05x2.55-20B WL-CSP-2.45x1.95-20B WL-CSP-2.55x2.05-20B Package Number of Pin WL-CSP-1.5x1.5-9B 9 WL-CSP-2.05x2.55-20B 20 WL-CSP-2.45x1.95-20B 20 WL-CSP-2.55x2.05-20B 20 www.richtek.com B-24 Footprint Dimension (mm) Type e A Tolerance B NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 FP-100330 NSMD & SMD for all WL-CSP Type WL-CSP-2.45x2.45-25B WL-CSP-2.45x2.05-30B WL-CSP-2.4x2.4-32B Package Number of Pin WL-CSP-2.45x2.45-25B 25 WL-CSP-2.45x2.05-30B 30 WL-CSP-2.4x2.4-32B 32 FP-100330 Footprint Dimension (mm) Type Tolerance e A B NSMD 0.5 0.275 0.375 ±0.025 SMD 0.5 0.375 0.275 ±0.025 NSMD 0.4 0.170 0.250 ±0.025 SMD 0.4 0.250 0.170 ±0.025 NSMD 0.4 0.170 0.250 ±0.025 SMD 0.4 0.250 0.170 ±0.025 www.richtek.com B-25