Data Sheet
CURRENT MODE PWM CONTROLLER
AP384XC
Typical Application
NTC
Bridge Diode
1N4007*4
R19
10
C2
0.01µ
600V
R3
39k
2W
+
C15
2.2n
R2
1M/
0.25W
C14
100µ/400V
L3
10µ
C11
1µ
C10
1000µ
R20
2K
Z2
SA12A
J1
T
AC 90 to 265V
D1
Byv26e
+
+
D3
8TQ100
C1 47µ
C9
2200µ
R4 10
D2
1N4001
J2
12V/5A
C3
0.1µ
Vcc
7
2
1
5
8
VCC
VREF
R12
100
R5
10k
C4
3.3n
C8
VFB
RT/CT
4
6
3
C5
0.22µ
C15
100p
220p
R6
20
C6
2200p/600V
R16
8.2k
R15
100
COMP OUTPUT
R14
130k
Q1
IRF830
R7
1k
GND
ISENSE
W1
1k
U3
AZ431
R18
3.9k
C7
680p
U1
AP3842C/3C/4C/5C Z1
1N5819
R10
0.51/1W
R9
7.5k
R13
15k
R17
2k
R11
820
U2 PC817
Figure 11. Typical Application of AP3842C/3C/4C/5C
BCD Semiconductor Manufacturing Limited
Sep. 2006 Rev. 1. 1
10
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
