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RT9168A-41CS Datasheet

  • RT9168A-41CS

  • 200MA / 500MA FIXED OUTPUT VOLTAGE LDO REGULATOR

  • 236.96KB

  • 13页

  • ETC

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RT9168/A
200mA/500mA Fixed Output Voltage LDO Regulator
General Description
The RT9168/A is a 200mA/500mA low dropout and
micropower
regulator
suitable
for
portable
applications. The output voltages range from 1.5V to
5.0V in 100mV increments and 2% accuracy. The
RT9168/A is designed for use with very low ESR
capacitors. The output remains stable even with a
1碌F ceramic output capacitor.
The RT9168/A uses an internal PMOS 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 battery-powered devices. Other features
include current limiting and over temperature
protection. The SOP-8 and SOT-25 packages are
also available for larger power dissipation and
design flexibility.
1
2
3
Features
Stable with Low-ESR Output Capacitor
Low Dropout Voltage (220mV at 200mA)
Low Operation Current - 80碌A Typical
碌
Shutdown Function
Low Temperature Coefficient
Current and Thermal Limiting
Custom Voltage Available
SOT-25 and SOP-8 Packages
Pin Configurations
Part Number
RT9168/A-
CBR
Pin Configurations
TOP VIEW
5
4
(Plastic SOT-25)
1.
2.
3.
4.
5.
OUT
GND
IN
SHDN
NC
Applications
Cellular Telephones
Laptop, Notebook, and Palmtop Computers
Battery-powered Equipment
Hand-held Equipment
RT9168/A-
RT9168/A-
CS
CSH
OUT 1
GND 2
GND 3
NC 4
TOP VIEW
8 IN
7 GND
6 GND
5 SHDN/SHDN
(Plastic SOP-8)
Ordering Information
RT9168/A-
Package type
BR : SOT-25
S : SOP-8
SH : SOP-8, High shutdown
Operating temperature range
C: Commercial standard
Output voltage
15 : 1.5V
16 : 1.6V
:
:
49 : 4.9V
50 : 5.0V
500mA Output current
200mA Output current
DS9168/A-03 May 2001
Typical Application Circuit
RT9168
V
IN
C
IN
1碌F
IN
GND
SHDN
SHDN
NC
OUT
C
OUT
1碌F
V
OUT
www.richtek-ic.com.tw
1

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