APW7301
Typical Application Circuit
VIN
4.5V~24V
C2
(option*)
C1
10mF
2
1
C3
10nF
VIN
BS
R4
100k
VOUT
3.3V/3A
7
3
LX
EN
L1
10mH
C4
22mFx2
8
APW7301
SS
5
6
COMP
FB
C5
0.1mF
R1
24K
GND
R3
6.8k
4
R2
9.1K
C6
3.9nF
* 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
VOUT(V)
L1(mH)
10
C4(mF)
R1(KW)
39
R2(KW)
9.1
R3(KW)
6.8
C6(nF)
3.9
22(Ceremic)
44 (Ceremic)
22 (Ceremic)
22 (Ceremic)
5
5
12
10
39
9.1
5
1.5
12
3.3
2.5
10
24
9.1
6.8
3.9
12
10
15
9.1
6.8
3.9
Copyright ã ANPEC Electronics Corp.
11
www.anpec.com.tw
Rev. A.2 - Apr., 2013
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
