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RT9163 Datasheet Preview

RT9163 Datasheet

500mA Low Dropout Positive Voltage Regulator

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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.
Features
z Low Dropout, Maximum 1.4V at 500mA
z Fast Transient Response
z ±2% Total Output Regulation
z 0.4% Line Regulation
z 0.4% Load Regulation
z TO-92, SOT-89, SOT-223, and TO-252 Packages
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z 5V to 3.3V Linear Regulator
z Low Voltage Microcontroller, DSP,.... etc. Power Supply
z Linear Regulator for LAN Card and CD-ROM
Ordering Information
RT9163-
Pin Configurations
(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)
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Note :
Output Voltage
33 : 3.3V
35 : 3.5V
50 : 5.0V
Richtek products are :
` RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
3
2
1
TO-92 (L-Type)
VOUT
GND
VIN
1 23
VOUT GND VIN
(TAB)
SOT-89
1 23
GND VIN VOUT
(TAB)
SOT-89 (L-Type)
12 3
GND
(TAB)
VOUT
VIN
TO-252
123
VOUT GND VIN
(TAB)
SOT-223 (Type-I)
DS9163-28 April 2011
www.richtek.com
1




Richiek

RT9163 Datasheet Preview

RT9163 Datasheet

500mA Low Dropout Positive Voltage Regulator

No Preview Available !

RT9163
123
VIN GND VOUT
(TAB)
SOT-223 (Type-II)
Typical Application Circuit
123
GND VOUT VIN
(TAB)
SOT-223 (Type-III)
123
GND VIN VOUT
(TAB)
SOT-223 (Type-IV)
VIN
CIN
10uF
RT9163
VIN VOUT
GND
VOUT
COUT
10uF
Function Block Diagram
Buffer
Amplifier
Error
Amplifier
-
VREF
Thermal
Shutdown
Current
Limiting
Sensor
VIN
Q2
Q1
R4
R3
VOUT
R1
R2
Functional Pin Description
Pin Name
Pin Function
VOUT
GND
Output Voltage.
Ground.
VIN Power Input.
www.richtek.com
2
DS9163-28 April 2011


Part Number RT9163
Description 500mA Low Dropout Positive Voltage Regulator
Maker Richiek
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