RT9202B データシートの表示（PDF） - Richtek Technology
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RT9202B Datasheet PDF : 14 Pages
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RT9202B
Typical Application Circuit
SHND
H : shutdown
Q1
2N7002
R1
20K
R4 10
8
7
6
5
C4
1uF
PHASE BOOT 1
OCSET UGATE 2
3
FB
GND
VCC LGATE 4
RT9202B
C2
0.1uF
VOUT
2.5V
R3 R2
120 255
C6
D1
MA732
L2
5uH
C3
1000uF
10nF
Figure 1. RT9202B powered from 5V only
5V
MU
C5 C1
1uF 470uF
ML
R4
12V
R1
10
5V
20K
SHND
H : shutdown
C2
8 PHASE BOOT 1
1uF
7
Q1
2N7002
6
5V
5
C4
1uF
OCSET UGATE
FB
GND
VCC LGATE
RT9202B
R3
2
VOUT
3
2.5V
4
R2
L1
5uH
C3
1000uF
120 250
C6
10nF
Figure 2. RT9202B powered from 12V and 5V
MU
C5 C1
1uF 470uF
ML
www.richtek.com
2
DS9202B-03 March 2007
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