RT9174 Просмотр технического описания (PDF) - Richtek Technology
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RT9174 Datasheet PDF : 7 Pages
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Preliminary
RT9174
12V
C5
0.1uF
R1
5K
5V
Q1
PHD45N03LT
VO1
3.3V
R2
624
C2
1000uF
R3
200
R9
1.2K
7.5V
R8
C1
3K
1uF
1 VDD
2 DRI1
3 FB1
4 GND
DRI3 8
7
FB3
6
DRI2
FB2 5
RT9174
3.3V
Q3
PHD4503LT
R6
VO3
2.5V
424
C4
R7
200
470uF
Q2
PHD4503LT
R4
VO2
1.8V
250
C3
R5
200
470uF
Figure 3. Triple LDOs Driving MOS Application
Functional Pin Description
Pin Name
VDD
DRI1
FB1
GND
DRI2
FB2
DRI3
FB3
Pin Function
Power Supply Input
Regulator 1 Driver Output
Regulator 1 Feedback Non-inverting Input
Power Ground
Regulator 2 Driver Output
Regulator 2 Feedback Non-inverting Input
Regulator 3 Driver Output
Regulator 3 Feedback Non-inverting Input
DS9174-06 March 2007
www.richtek.com
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