AP2014/A
Synchronous PWM Controller
Typical Application Circuit (Continued)
(3)
VIN=12V
D2
1N4148
D1
1N4148
C1
0.1uF
C8
470u
C11
0.1u
R3
8.2
C4
0.1u
U1
FB
SS
Vcc Comp
Vc
LDrv
GND HDrv
AP2014
R1
10K
C3
100u
1
2
3
4
8
7
6
5
C6
10nF
Q1
AF4910N-1
L1
10uH/6A
R2
3K
Vout +5V/5.0A
C5
0.47u
Q2
AF4910N-2
R6
39k
C20
100p
C13
470u
C17
0.1u
Single Supply 12V Input
(4)
VIN=24V
RZD
1.2K
D1
1N4148
C1
0.1uF
C8
470u
D2
1N4148
R3
8.2
C11
0.1u
C4
0.1u
U1
FB
SS
Vcc Comp
Vc
LDrv
GND HDrv
AP2014
R1
10K
R3
8.2
ZD
6.2V
C3
100u
C5
0.47u
1
2
3
4
8
7
6
5
C6
10nF
Q1-1
AF4928N-1
L1
10uH/6A
R2
3.3K
Vout +5V/4.0A
Q1-2
AF4928N-2
R6
47k
C20
100p
C13
470u
C17
0.1u
I
ZD
( 15mA)=(VIN-V
D2
-V
ZD
)/RZD
Single Supply 24V Input
Anachip Corp
www.anachip.com.tw
5/12
Rev. 1.2 Nov 29, 2005
ANACHIP [ ANACHIP CORP ]
