RT9163 500mA Low Dropout Positive Voltage Regulator General Description Features The RT9163 is a positive low dropout regulator designed for applications requiring low dropout performance at full rated current. The device is available in fixed output voltage of 3.3V, 3.5V, and 5.0V. The RT9163 provides excellent regulation over line, load, and temperature variations. z Low Dropout, Maximum 1.4V at 500mA z Fast Transient Response ± 2% Total Output Regulation 0.4% Line Regulation 0.4% Load Regulation TO-92, SOT-89, SOT-223, and TO-252 Packages RoHS Compliant and 100% Lead (Pb)-Free The other features include low dropout performance at a maximum of 1.4V at 500mA, fast transient response, internal current limiting, and thermal shutdown protection of the output devices. The RT9163 is a three-terminal regulator available in surface mount SOT-89, SOT-223, and TO-252 packages. Ordering Information z z z z z Applications z z z 5V to 3.3V Linear Regulator Low Voltage Microcontroller, DSP,.... etc. Power Supply Linear Regulator for LAN Card and CD-ROM Pin Configurations RT9163- (TOP VIEW) Package Type ZL : TO-92 (L-Type) X : SOT-89 XL : SOT-89 (L-Type) L : TO-252 G : SOT-223 (Type-I) GL : SOT-223 (Type-II) GT : SOT-223 Type-III) GF : SOT-223 (Type-IV) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commercial Standard) Output Voltage 33 : 3.3V 35 : 3.5V 50 : 5.0V 3 VOUT 2 GND 1 VIN CZL RT9163TO-92 1 2 VOUT GND (TAB) 3 1 VIN GND RT9163CX SOT-89 2 3 VIN VOUT (TAB) RT9163CXL SOT-89 Note : RichTek Pb-free and Green products are : `RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. `Suitable for use in SnPb or Pb-free soldering processes. `100%matte tin (Sn) plating. 1 1 DS9163-24 March 2007 VOUT 2 3 3 GND (TAB) Marking Information For marking information, contact our sales representative directly or through a RichTek distributor located in your area, otherwise visit our website for detail. 2 VOUT GND VIN (TAB) VIN RT9163CL TO-252 RT9163CG SOT-223 www.richtek.com 1 RT9163 1 VIN 2 3 1 GND VOUT (TAB) 2 1 3 GND GND VOUT VIN (TAB) RT9163CGT SOT-223 RT9163CGL SOT-223 2 3 VIN VOUT (TAB) RT9163CGF SOT-223 Typical Application Circuit RT9163 CIN 10uF VIN VOUT GND VOUT + + VIN COUT 10uF Function Block Diagram VIN Q2 Buffer Amplifier Q1 Thermal Shutdown R4 + Error Amplifier - Current Limiting Sensor R3 VOUT R1 VREF R2 Functional Pin Description Pin Name Pin Function VOUT Output Voltage GND Ground VIN Power Input www.richtek.com 2 DS9163-24 March 2007 RT9163 Absolute Maximum Ratings z z z z z Input Voltage ------------------------------------------------------------------------------------------------------------ 15V Power Dissipation, PD @ TA = 25°C TO-92 --------------------------------------------------------------------------------------------------------------------- 0.625W SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.571W SOT-223 ----------------------------------------------------------------------------------------------------------------- 0.740W TO-252 ------------------------------------------------------------------------------------------------------------------- 1.471W Package Thermal Resistance (Note 4) TO-92, θJA --------------------------------------------------------------------------------------------------------------- 160°C/W SOT-89, θJC ------------------------------------------------------------------------------------------------------------- 48°C/W SOT-89, θJA ------------------------------------------------------------------------------------------------------------- 175°C/W SOT-223, θJC ----------------------------------------------------------------------------------------------------------- 19°C/W SOT-223, θJA ------------------------------------------------------------------------------------------------------------ 135°C/W TO-252, θJC ------------------------------------------------------------------------------------------------------------- 7.5°C/W TO-252, θJA -------------------------------------------------------------------------------------------------------------- 68°C/W Operating Junction Temperature Range -------------------------------------------------------------------------- −40°C to 125°C Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C Electrical Characteristics (VIN = 5V, TA = 25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max 3.235 3.300 3.365 3.430 3.500 3.570 4.900 5.000 5.100 VIN = 5V ~ 15V -- 0.1 0.4 VIN = 7V ~ 15V -- 0.1 0.4 RT9163-33 Output Voltage RT9163-35 (Note 1) VOUT RT9163-50 VIN = 7V RT9163-33 Line Regulation RT9163-35 (Note 1) ΔVLINE RT9163-50 Units V % Load Regulation (Note 1) ΔVLOAD IL = 0 ~ 500mA -- 0.2 0.4 % Dropout Voltage (Note 2) VDROP ΔVOUT = 1% -- 1.3 1.4 V Current Limit ILIM Load = 1Ω 550 -- -- mA Quiescent Current IQ -- 4.5 8 mA Temperature Coefficient TC -- 0.005 -- %/°C Temperature Stability TS -- 0.5 -- % -- 0.003 -- %/VOUT RMS Output Noise (Note 3) Note 1. Low duty cycle pulse tested with Kelvin connections. Note 2. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) − 100mV. Note 3. Bandwidth of 10 Hz to 10 kHz. Note 4. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of JEDEC 51-3 thermal measurement standard. The case point of θJC is on the center of the exposed pad. DS9163-24 March 2007 www.richtek.com 3 RT9163 Outline Dimension 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 www.richtek.com 4 DS9163-24 March 2007 RT9163 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 DS9163-24 March 2007 www.richtek.com 5 RT9163 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 www.richtek.com 6 DS9163-24 March 2007 RT9163 D D1 H C B L e L1 e A A1 b Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.450 1.803 0.057 0.071 A1 0.020 0.100 0.0008 0.0047 b 0.610 0.787 0.024 0.031 B 3.302 3.708 0.130 0.146 C 6.706 7.290 0.264 0.287 D 6.299 6.706 0.248 0.264 D1 2.896 3.150 0.114 0.124 e 2.261 2.362 0.089 0.093 H 0.229 0.330 0.009 0.013 L 1.550 1.950 0.061 0.077 L1 0.800 1.100 0.009 0.013 3-Lead SOT-223 Surface Mount Package Richtek Technology Corporation Richtek Technology Corporation Headquarter Taipei Office (Marketing) 5F, No. 20, Taiyuen Street, Chupei City 8F, No. 137, Lane 235, Paochiao Road, Hsintien City Hsinchu, Taiwan, R.O.C. Taipei County, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Tel: (8862)89191466 Fax: (8862)89191465 Email: [email protected] DS9163-24 March 2007 www.richtek.com 7