RT9204A データシートの表示（PDF） - Richtek Technology
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RT9204A Datasheet PDF : 14 Pages
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RT9204/A
Typical Application Circuit
Preliminary
VAUX
3.3V
Q1
2SD1802
VOUT2
1.6V
C6
220uF
R4
100
R5 C5
100 1uF
R1
10
1 GND
2 VCC
UGATE 8
BOOT 7
3 DRV
SD 6
4 FBL
FB 5
RT9204/A
BAT54A
C3
0.1uF
VOUT1
2.5V
R3
250
R2
120
C7
10nF
L1
5uH
C4
1000uF
5V
MU
C2
1uF
D1
SS34
C1
470uF
Figure1. RT9204/A powered from 5V only
5V
R1
0
VAUX
3.3V
C7
1uF
Q1
Suggest use Transistor
VOUT2
1.6V
C6
220uF
2SD5706
R4
100
R5
100
1 GND
2 VCC
UGATE 8
BOOT 7
3 DRV
SD 6
4 FBL
FB 5
RT9204/A
R6
C5 10
1uF
VOUT1
2.5V
R3
250
R2
120
C7
10nF
12V
L1
5uH
C4
1000uF
5V
MU
C2
1uF
D1
SS34
C1
470uF
Figure2. RT9204/A powered from 12V
www.richtek.com
2
DS9204/A-08 March 2007
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