APW7334 Datasheet, PDF (6/15 Pages) Anpec Electronics Coropration – 2A 24V 340kHz synchronous Buck Converter

APW7334
Typical Application Circuit
V_IN
4.5V~24V
C1
10µF
R4
100k
C2
(option*)
2
VIN
1
BS
7
EN
LX ³
8
APW7334
SS
C5
0.1µF
6
COMP
5
FB
GND
R3
6.8k
4
C6
3.9nF
C3
10nF
L1
10µH
R1
24K
R2
7.5K
V_OUT
3.3V/2A
C4
22µFx2
* For cirtical condition, like plug in, the large capacitace and high voltage rating are needed to avoid the high spike
voltage.
Vin(V)
24
12
12
12
VOUT(V)
5
5
3.3
2.5
L1(µH)
10
10
10
10
C2(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.
6
Rev. A.2 - Dec., 2012
www.anpec.com.tw