APW7037/A/B
Typical Applications (Cont.)
3. LCD Monitor Application Circuit
R8
0
R4
3
Extra Circuit for VIN>15V Application
Q2
R7 1k
C11
C12
2N3904
R5
D2
1uF
0.1uF
18k
1N4148
U2
APL431
R6
10k
D1
1N4148
C1
1uF
C2
VIN
L3
1uF
C5
9V~22V
C4
C6
1uH
470uF
47uF
1uF
VCC
VC
C3
0.1uF
8
Q1A
L4
SS
5
HDRV
APM7313
50uH
U1
C8
R9
12
VOUT
APW 7037
0.1uF
5V / 0.2~5 A
Q1B
C7,C10
3
1
APM7313
LDRV
FB
2 x470uF
7
CO M P
R10
12
R1
3k
R3
24k
G ND
C9
R2
1k
2200pF
Copyright ANPEC Electronics Corp.
Rev. A.6 - Apr, 2005
6
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