AP2014 Datasheet, PDF (5/12 Pages) Anachip Corp – Synchronous PWM Controller

Synchronous PWM Controller
AP2014/A
„ Typical Application Circuit (Continued)
(3)
D2
1N4148
D1
1N4148
C1
0.1uF
VIN=12V
C8
470u
C11
0.1u
R3
8.2
C3
100u
C5
0.47u
C4
0.1u
U1
1
2
3
4
FB
SS
Vcc Comp
LDrv Vc
GND HDrv
8
7
6
5
AP2014
C6
10nF
R6
39k
C20
100p
R1
10K
Q1
AF4910N-1
R2
3K
L1
10uH/6A
Q2
AF4910N-2
Vout +5V/5.0A
C13
470u
C17
0.1u
(4)
D2
1N4148
R3
8.2
ZD
6.2V
C3
100u
R3
8.2
C5
0.47u
Single Supply 12V Input
RZD
1.2K
D1
1N4148
C4
0.1u
U1
1
2
3
4
FB SS
Vcc Comp
LDrv Vc
GND HDrv
8
7
6
5
AP2014
C6
10nF
R6
47k
C1
0.1uF
C20
100p
VIN=24V
C8
C11
470u 0.1u
R1
10K
Q1-1
AF4928N-1
L1
10uH/6A
R2
3.3K
Q1-2
AF4928N-2
Vout +5V/4.0A
C13
470u
C17
0.1u
Anachip Corp
www.anachip.com.tw
I_ZD(Њ15mA)=(VIN-V_D2-V_ZD)/RZD
Single Supply 24V Input
5/12
Rev. 1.2 Nov 29, 2005