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RT9172 Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9172
Description  3A Fixed Output Voltage LDO Regulator
PDF  16 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9172 Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9172
3
DS9172-15 April 2008
www.richtek.com
Figure 2
Figure 3
Function Block Diagram
RT9172F
Recommend COUT: Please note that the part must be paralleled with the least a 100
μF electrolytic capacitor when
using a 10
μF (or greater) ceramic type as the output capacitor to prevent the output oscillating.
VIN
GND
VOUT
RT9172F-25
C
OUT
C
IN
10uF
V
IN = 3.3V
V
LOAD = 2.5V -ILOADRt
EN
FLG
L
O
A
D
I
LOAD
Trace resistance = R
t
10K
10K
V
OUT
= 2.5V
VIN
GND
VOUT
RT9172N-25
C
OUT
C
IN
10uF
V
IN = 3.3V
V
LOAD = 2.5V
EN
SENSE
L
O
A
D
I
LOAD
Trace resistance = R
t
10K
Buffer
Amlifier
Thermal
Current
Limiting
Sensor
VREF
+
-
GND
FLG
VOUT
EN
VIN



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