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RT9167/A
Low-Noise, Fixed Output Voltage,300mA/500mA LDO Regulator
General Description
Features
The RT9167/A is a 300mA/500mA low dropout and low
noise micropower regulator suitable for portable
applications. The output voltages range from 1.5V to 5V
in 100mV increments and 2% accuracy. The RT9167/A is
designed for use with very low ESR capacitors. The output
remains stable even with 1μF ceramic output capacitor.
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Stable with Low-ESR Output Capacitor
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Low Dropout Voltage (350mV @ 300mA)
μA Typical
Low Operation Current −80μ
Shutdown Function
Low Noise Output
Low Temperature Coefficient
Current and Thermal Limiting
Custom Voltage Available
SOT-23-5 and SOP-8 Packages
RoHS Compliant and 100% Lead (Pb)-Free
The RT9167/A uses an internal P-MOSFET as the pass
device, which does not cause extra GND current in heavy
load and dropout conditions. The shutdown mode of nearly
zero operation current makes the IC suitable for batterypowered devices. Other features include a reference
bypass pin to improve low noise performance, current
limiting, and over temperature protection.
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Applications
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Ordering Information
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RT9167/APackage Type
B : SOT-23-5
BR : SOT-23-5 (R-Type)
S : SOP-8
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Output Voltage
15 : 1.5V
16 : 1.6V
:
49 : 4.9V
50 : 5.0V
2H : 2.85V
500mA Output Current
300mA Output Current
Note :
Cellular Telephones
Laptop, Notebook, and Palmtop Computers
Battery-powered Equipment
Hand-held Equipment
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Pin Configurations
(TOP VIEW)
VOUT
BP
BP
EN
5
4
5
4
2
3
2
VIN GND EN
3
VOUT GND VIN
SOT-23-5
SOT-23-5 (R-Type)
Richtek products are :
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RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
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Suitable for use in SnPb or Pb-free soldering processes.
EN
VIN
8
GND
2
7
VOUT
3
6