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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 5.0V. 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.
12 3
Features
Low Dropout, Maximum 1.4V at 500mA 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
Pin Configurations
Part Number RT9163CZL (Plastic TO-92) Pin Configurations TOP VIEW
1. VIN 2. GND 3. VOUT
Applications
5V to 3.3V Linear Regulator Low Voltage Microcontroller, DSP... etc Power Supply Linear Regulator for LAN Card and CD-ROM
RT9163-
CX
1 2 3
TOP VIEW
1. VOUT 2. GND (TAB) 3. VIN
(Plastic SOT-89)
RT9163-
CXL
1 2 3
TOP VIEW
1. GND 2. VIN (TAB) 3. VOUT
(Plastic SOT-89)
Ordering Information
RT9163Package type ZL : TO-92 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 C: Commercial standard Output voltage 33 : 3.3V 35 : 3.5V 50 : 5.0V RT9163Type II RT9163Type III RT9163CGF CGT CGL (Plastic SOT-223) RT9163Type I CG (Plastic SOT-223) RT9163CL (Plastic TO-252)
TOP VIEW
1. VOUT 2. GND (TAB) 3. VIN
1 2 3
TOP VIEW
1. VOUT 2. GND (TAB) 3. VIN
1
2
3
TOP VIEW
1. VIN 2. GND (TAB) 3. VOUT
1
2
3
TOP VIEW
1. GND 2. VOUT (TAB) 3. VIN
(Plastic SOT-223)
1 2 3
TOP VIEW
1. GND 2. VIN (TAB) 3. VOUT
(Plastic SOT-223) Type IV
1 2 3
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RT9163
Marking Information
Part Number RT9163-33CZL RT9163-35CZL RT9163-50CZL RT9163-33CX RT9163-35CX RT9163-50CX RT9163-33CXL RT9163-35CXL RT9163-50CXL Marking RTAJ RTAK RTA1 A8 A9 AT CK CL CM
Typical Application Circuit
VIN C1 10F + _ RT9163 VOUT GND VOUT
VIN
+ C2 _ 10F
Pin Description
Pin Name VOUT GND VIN Ground Power Input Pin Function Output Voltage
Function Block Diagram
VIN Buffer Amplifier Error Amplifier Q2 Thermal Shutdown Current Limiting Sensor Q1 R4 R3 VOUT R1 R2
+
_
VREF
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RT9163
Absolute Maximum Ratings
Input Voltage Power Dissipation, PD @ TA = 25C TO-92 SOT-89 Package Thermal Resistance TO-92, JA SOT-89, JC SOT-89, JA SOT-223, JC SOT-223, JA TO-252, JC TO-252, JA Operating Junction Temperature Range Storage Temperature Range 160C/W 100C/W 300C/W 15C/W 60C/W 15C/W 56C/W -40C to 125C -65C to 150C 0.6W 0.5W 15V
Electrical Characteristics
(VIN = 5V, TA = 25C, unless otherwise specified) Parameter RT9163-33 Output Voltage
(1)
Symbol RT9163-35 RT9163-50 RT9163-33 VOUT
Test Conditions
Min 3.235 3.430
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 VLINE VLOAD VDROP ILIMIT IQ TC TS VIN = 5V ~ 15V VIN = 7V ~ 15V IL = 0 ~ 500mA VOUT = 1% Load = 1
4.900 ----550 -----
Line Regulation
(1)
RT9163-35 RT9163-50
% % V mA mA %/C % %/VOUT
Load Regulation Dropout Voltage Current Limit
(1) (2)
Quiescent Current Temperature Coefficient Temperature Stability RMS Output Noise Notes:
(3)
(1) Low duty cycle pulse tested with Kelvin connections. (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.
DS9163-14 April 2002
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RT9163
Package Information
D A
E
L
e
e
b
C
D1 A1
Symbol A A1 b C D D1 E e L
Dimensions In Millimeters Min 3.175 1.143 0.406 0.406 4.445 3.429 4.318 1.143 12.700 Max 4.191 1.372 0.533 0.533 5.207 -5.334 1.397 -3-Lead TO-92 Package
Dimensions In Inches Min 0.125 0.045 0.016 0.016 0.175 0.135 0.170 0.045 0.500 Max 0.165 0.054 0.021 0.021 0.205 -0.210 0.055 --
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RT9163
D D1 A H
C
B
C1 e e
A
b
b1
b
Symbol A b B b1 C C1 D D1 e H
Dimensions In Millimeters Min 1.397 0.356 2.388 0.406 -0.787 4.394 1.397 1.448 0.355 Max 1.600 0.483 2.591 0.533 4.242 1.194 4.597 1.753 1.549 0.432
Dimensions In Inches Min 0.055 0.014 0.094 0.016 -0.031 0.173 0.055 0.057 0.014 Max 0.063 0.019 0.102 0.021 0.167 0.047 0.181 0.069 0.061 0.017
3-Lead SOT-89 Surface Mount
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RT9163
A B D1 E L1
D
C
b1 b
L3 L2 e b2
U
V
Symbol A B b b1 b2 C D D1 E e L1 L2 L3 U V
Dimensions In Millimeters Min 2.184 0.889 0.508 0.457 0.457 6.350 5.207 5.334 2.108 9.398 0.508 0.635 3.810 Ref. 3.048 Ref. Max 2.388 2.032 0.889 0.584 0.584 6.731 5.461 6.223 2.438 10.414 -1.016
Dimensions In Inches Min 0.086 0.035 0.020 0.018 0.018 0.250 0.205 0.210 0.083 0.370 0.020 0.025 0.150 Ref. 0.120 Ref. Max 0.094 0.080 0.035 0.023 0.023 0.265 0.215 0.245 0.096 0.410 -0.040
1.016 Ref.
0.040 Ref.
3-Lead TO-252 Plastic Surface Mount Package
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RT9163
D D1
C
B
L e e
A b
A1
H
Symbol A A1 b B C D D1 e H L
Dimensions In Millimeters Min -0.020 0.610 3.302 6.706 6.299 2.896 2.261 0.229 0.914 Max 1.803 0.100 0.787 3.708 7.290 6.706 3.150 2.362 0.330 --
Dimensions In Inches Min -0.0008 0.024 0.130 0.264 0.248 0.114 0.089 0.009 0.036 Max 0.071 0.0047 0.031 0.146 0.287 0.264 0.124 0.093 0.013 --
3-Lead SOT-223 Plastic Surface Mount
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RT9163
RICHTEK TECHNOLOGY CORP.
Headquarter
6F, No. 35, Hsintai Road, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5510047 Fax: (8863)5537749
RICHTEK TECHNOLOGY CORP.
Taipei Office (Marketing)
8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek-ic.com.tw
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