APW7304
Typical Application Circuit
VIN
4.5V~24V
C1
10µF
R4
100K
C4
0.1µF
C2
(option*) 2
1
VIN
BS
7
EN
LX 3
8
APW7304
SS
6
COMP
R3
6.8K
GND
4
C5
3.9nF
5
FB
C3
10nF
L1
10µH
R1
24K
R2
7.5K
VOUT
3.3V/4A
C6
22µF
* For cirtical condition, like plug in, the large capacitace and high voltage rating are needed to avoid the high spike
voltage.
Recommended Feedback Compensation Value
Vin(V)
24
12
12
12
VOUT(V)
5
5
3.3
2.5
L1(µH)
10
10
10
10
C6(µF)
22(Ceremic)
44 (Ceremic)
22 (Ceremic)
22 (Ceremic)
R1(KΩ)
36
36
24
12
R2(KΩ)
6.8
6.8
7.5
5.6
R3(KΩ)
6.8
5
6.8
6.8
C5(nF)
3.9
1.5
3.9
3.9
Copyright © ANPEC Electronics Corp.
11
Rev. A.3 - Apr., 2013
www.anpec.com.tw