Diodes AP3968/69/70 - Manual (Page 2)

AP3968/69/70
Document number: DS36759 Rev. 2 - 2
2 of 15
www.diodes.com
December 2013
© Diodes Incorporated
AP3968/69/70
A Product Line of
Diodes Incorporated
Typical Applications Circuit
+
J1
AC 90-264V
D1 to D4
C2
R1
+
C1
D6
L1
T1
FB
C
VCC
CS
+
C3
U1
CPC
C8
R5
C11
Np
Ns
Nfb
D5
C5 R6
Vo+
Vo-
C10
GND
L2
D12 +
C12
R11
R12
C13
+
R10
R3
R8
R9 R7
Typical Application of AP3969 (9V/800mA)
Item Function QTY Item Function QTY
C1 10.0  F/400V, electrolytic 1 U1 AP3969 1
C2 4.7

F/400V, electrolytic 1 R1 11

, 2W 1
C3 3.3  F/50V, electrolytic 1 R3 3.3M  /0.25W 1
C5 1nF/1kV, ceramic 1 R5 3.9

, 0805 1
C8 0.01

F, 0805 1 R6 150k

, 1206 1
C10 1nF/250Vac, Y1 capacitor 1 R7 1

, 1206 1
C11 1nF, 0805 1 R8 20k

, 0805 1
C12, C13 470

F/16V 2 R9 13k

, 0805 1
D1 to D6 1N4007, rectifier diode 6 R10 360

, 0805 1
D12 MBR3100 1 R11 27  , 0805 1
L1 470

H, inductor 1 R12 1.2k

, 0805 1
L2 Bead, 0805 1 T1 EE16 core, PC40, transformer 1