RT9202 Просмотр технического описания (PDF) - Richtek Technology
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RT9202 Datasheet PDF : 14 Pages
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RT9202
Typical Application Circuit
SHND
H : shutdown
Q1
2N7002
R1
20K
R4 10
8 PHASE BOOT 1
7 OCSET UGATE 2
6 FB
3
GND
C2
0.1uF
VOUT
2.5V
5 VCC LGATE 4
C4
RT9202
1uF
R3 R2
120 255
C6
D1
MA732
L2
5uH
C3
1000uF
10nF
Figure 1. RT9202 powered from 5V only
5V
MU
C5 C1
1uF 470uF
ML
R4
R1
10
20K
SHND
H : shutdown
C2
8 PHASE BOOT 1
1uF
7
Q1
2N7002
6
5V
5
C4
1uF
OCSET UGATE
FB
GND
VCC LGATE
RT9202
R3
2
VOUT
3
2.5V
4
R2
L1
5uH
C3
1000uF
120 250
C6
10nF
Figure 2. RT9202 powered from 12V and 5V
12V
5V
MU
C5 C1
1uF 470uF
ML
www.richtek.com
2
DS9202-09 March 2007
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