APW7037/A/B
Typical Applications
1. Dual supply voltage(5V and 12V) application
R4
3
+12V
VIN
C1
C2
+5V
1uF
1uF
L3
C4
C3
C5
1uH
100uF
47uF
1uF
VCC
VC
Q2
APM2300A
8
L4
Q1A
SS
5
HDRV
3.3uH
APM7313
U1
C7
VOUT
APW 7037
0.1uF
1.5V/5 A
Shutdown
Q1B
C6,C9
3
1
APM7313
2 x 150uF
LDRV
FB
7
CO M P
R1
R3
249
24k
G ND
R2
C8
1.24k
2200pF
2. Single supply voltage(5V) application
R4
3
D2
D1
D3
1N4148
1N4148
1N4148
C1
IN
C2
V
1uF
1uF
+5V
L3
C5
C4
C6
1uH
100uF
47uF
1uF
VCC
VC
C3
Q2
0.1uF
APM2300A
8
L4
Q1A
SS
5
HDRV
3.3uH
APM7312
U1
C8
OUT
V
APW 7037
0.1uF
1.5V/5 A
Shutdown
Q1B
APM7312
C7,C10
3
1
LDRV
FB
2 x150uF
7
COM P
R1
R3
249
24k
GND
R2
C9
1.24k
2200pF
Copyright ANPEC Electronics Corp.
Rev. A.6 - Apr, 2005
5
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
