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433_SOT-223, and TO-252 Packages_ Applications_ 5V to 3

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433_SOT-223, and TO-252 Packages_ Applications_ 5V to 3

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     RT9163

     500mA Low Dropout Positive Voltage Regulator

     General Description

     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 5.1V. The RT9163 provides excellent regulation over line, load, and temperature variations. 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.

     Features

     Low Dropout, Maximum 1.4V at 500mA Fast Transient Response ?À2% Total Output Regulation 0.4% Line Regulation 0.4% Load Regulation TO-92, SOT-89, SOT-223, and TO-252 Packages

     Applications

     5V to 3.3V Linear Regulator Low Voltage Microcontroller, DSP?? etc Power Supply Linear Regulator for LAN Card and CD-ROM

     Pin Configurations

     Part Number RT9163Package type ZL : TO-92 X : SOT-89 L : TO-252 G : SOT-223 Type I GL : SOT-223 Type II GT : SOT-223 Type III Operating temperature range C: Commercial standard Output voltage 33 : 3.3V 35 : 3.5V 50 : 5.0V RT9163Type I CG

     TOP VIEW 1 2 3

     Ordering Information

     RT9163-

     Pin Configurations

     1. VIN 2. GND 3. VOUT

     1 2 3

     CZL

     (Plastic TO-92)

     RT9163-

     CX

     TOP VIEW 1 2 3

     (Plastic SOT-89)

     1. VOUT 2. GND 3. VIN

     RT9163-

     CL

     (Plastic TO-252)

     1 2 3

     1. VOUT 2. GND 3. VIN

     (Plastic SOT-223)

     1. VOUT 2. GND 3. VIN

     Marking Infromation

     Part Number RT9163-33CZL RT9163-35CZL RT9163-33CX RT9163-35CX RT9163-50CZL RT9163-50CX Marking RTAJ RTAK A8 A9 RTA1 AT RT9163Type II RT9163Type III CGT

     TOP VIEW 1 2 3

     CGL

     TOP VIEW 1 2 3

     (Plastic SOT-223)

     1. VIN 2. GND 3. VOUT

     (Plastic SOT-223)

     1. GND 2. VOUT 3. VIN

     DS9163-11 Nov. 2000

     www.richtek-ic.com.tw

     1

     RT9163

     Typical Application Circuit

     RT9163-33/35/50 VIN VOUT GND + C1 10?ÌF + C2 10?ÌF

     VIN

     VOUT

     Pin Description

     Pin Name VOUT GND VIN Pin Function Output Pin Ground Pin Positive Power Input Pin

     Function Block Diagram

     VIN Buffer Amplifier Error Amplifier Q2 Thermal Shutdown Current Limiting Sensor Q1 R4 R3 VOUT R1 R2

     -

     VREF

     www.richtek-ic.com.tw

     +

     DS9163-11 Nov. 2000

     2

     RT9163

     Absolute Maximum Ratings

     Input Voltage VIN Power Dissipation TO-92 SOT-89 SOT-223 TO-251 TO-252 Operating Junction Temperature Range Storage Temperature Range 0.6W 0.5W 0.8W 1.0W 1.0W ?40?ãC to 125?ãC ?50?ãC to 150?ãC 15V

     Electrical Characteristics

     (VIN = 5V, TA = 25?ãC, unless otherwise specified) Parameter RT9163-33 Output Voltage

     (1)

     Symbol RT9163-35 RT9163-50

     Test Conditions

     Min 3.235 3.430 4.900 ----550 -----

     Typ 3.300 3.500 5.000 0.1 0.1 0.2 1.3 -4.5 0.005 0.5 0.003

     Max 3.365 3.570 5.100 0.4 0.4 0.4 1.4 -8 ----

     Units V

     VIN = 7A VIN = 5V ~ 15V VIN = 7V ~ 15V IL = 0 ~ 500mA ?VOUT = 1% Load = 1? -----

     Line Regulation

     (1)

     RT9163-50

     (1) (2)

     % % V mA mA %/?ãC % %/VOUT

     Load Regulation Dropout Voltage Current Limit

     Quiescent Current Temperature Coefficient Temperature Stability RMS Output Noise Notes: (1) Low duty cycle pulse tested with Kelvin connections.

     (3)

     (2) Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below the value measured with a 1V differential. (3) Bandwidth of 10 Hz to 10 kHz.

     DS9163-11 Nov. 2000

     www.richtek-ic.com.tw

     3

     RT9163

     Package Information

     D D1 C A

     HE

     E

     A1

     e 8 o(x2)

     e

     A

     b

     b1

     b

     Symbols A A1 b b1 C D D1 HE E e

     Dimensions In Millimeters Min 1.40 0.90 0.36 0.41 0.38 4.20 1.40 -2.40 1.45 Typ 1.50 1.00 0.42 0.42 0.40 4.50 1.60 -2.50 1.50 Max 1.60 1.10 0.48 0.53 0.43 4.60 1.75 4.25 2.60 1.55 Min 0.055 0.035 0.014 0.016 0.014 0.173 0.055 -0.094 0.057

     Dimensions In Inches Typ 0.059 0.039 0.016 0.018 0.015 0.177 0.062 -0.098 0.059 Max 0.063 0.043 0.018 0.020 0.017 0.181 0.069 0.167 0.102 0.061

     3-Lead SOT-89 Surface Mount

     www.richtek-ic.com.tw

     DS9163-11 Nov. 2000

     4

     RT9163

     D

     0.060 (Millimeter) E d E1

     A

     e

     e

     b

     C

     D1 A1

     Symbols A A1 C D D1 E E1 b e ?Ä

     Dimensions In Millimeters Min 3.48 --4.19 -3.99 14.00 ---Typ 3.56 1.30 0.38 4.45 4.29 4.24 -0.38 1.27 5o Max 3.61 --4.70 -4.50 ----3-Lead TO-92 Package Min 0.137 --0.165 -0.157 0.551 ----

     Dimensions In Inches Typ 0.140 0.051 0.015 0.175 0.169 0.167 -0.015 0.050 5o Max 0.142 --0.185 -0.177 -----

     DS9163-11 Nov. 2000

     www.richtek-ic.com.tw

     5

     RT9163

     D D1

     H

     E

     A1 e e

     13?ã

     A b

     10?ã

     C

     13?ã

     Symbol A A1 b C D D1 H e E

     Dimensions In Millimeters Min 1.55 1.70 0.60 0.24 6.25 2.80 6.65 2.25 3.30 Typ 1.70 1.80 0.70 0.28 6.50 3.00 7.00 2.30 3.50 Max 1.85 1.90 0.80 0.32 6.75 3.20 7.35 2.35 3.70 Min 0.061 0.067 0.024 0.010 0.246 0.110 0.262 0.089 0.130

     Dimensions In Inches Typ 0.067 0.071 0.028 0.011 0.256 0.118 0.276 0.091 0.138 Max 0.073 0.075 0.032 0.012 0.266 0.126 0.290 0.093 0.146

     3-Lead SOT-223 Plastic Surface Mount Package

     www.richtek-ic.com.tw

     DS9163-11 Nov. 2000

     6

     RT9163

     E L K

     B A

     F 1 2 M I J G C H D 3

     Symbols A B C D E F G H I J K L M

     Dimensions In Millimeters Min 0.40 2.20 0.90 0.35 6.40 5.40 2.20 2.10 0.65 0.40 4.80 1.30 0.50 Typ 0.50 2.30 1.20 0.50 6.50 5.50 2.50 2.30 0.85 0.60 5.00 1.50 0.80 Max 0.60 2.40 1.50 0.65 6.65 5.65 2.80 2.50 1.05 0.80 5.20 1.70 1.10 Min

     Dimensions In Inches Typ 0.1970 0.0906 0.0472 0.0197 0.2559 0.2165 0.0974 0.0906 0.0335 0.0236 0.1969 0.0590 0.0315 Max 0.0236 0.0945 0.0591 0.0256 0.2618 0.2224 0.1102 0.0984 0.0413 0.0315 0.2047 0.0669 0.0433

     0.0157 0.0866 0.0354 0.0138 0.2520 0.2126 0.0866 0.0827 0.0256 0.0157 0.1890 0.0512 0.0197

     3-Lead TO-252 Plastic Surface Mount Package

     DS9163-11 Nov. 2000

     www.richtek-ic.com.tw

     7

     RT9163

     RichTek Technology Corp.

     Headquarters

     6F, No. 35, Hsintai Road, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5510047 Fax: (8863)5537749

     RichTek Technology Corp.

     Taipei Office (Marketing)

     4F-1, No. 127, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek-ic.com.tw

     www.richtek-ic.com.tw

     DS9163-11 Nov. 2000

     8

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