RT9172S-15PS 데이터 시트보기 (PDF) - Richtek Technology
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RT9172S-15PS Datasheet PDF : 15 Pages
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RT9172
VIN = 3.3V
CIN
10uF
RT9172N-25
VIN
VOUT
10K
EN SENSE
GND
Figure 2
Trace resistance = Rt
ILOAD
COUT
VLOAD = 2.5V
L
O
A
D
VIN = 3.3V
CIN
10uF
10K
RT9172F-25
VIN
VOUT
EN
FLG
GND
VOUT = 2.5V
10K
Trace resistance = Rt
ILOAD
COUT
VLOAD = 2.5V -ILOADRt
L
O
A
D
Figure 3
Recommend COUT: Please note that the part must be paralleled with the least a 100μF electrolytic capacitor when
using a 10μF (or greater) ceramic type as the output capacitor to prevent the output oscillating.
Function Block Diagram
RT9172F
VIN
Buffer
Amlifier
Thermal
Current
Limiting
Sensor
EN
-
+
VREF
VOUT
FLG
GND
DS9172-14 March 2007
www.richtek.com
3
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