Diodes AP1680 - Manual (Page 7)

LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER AP1680
7
BCD Semiconductor Manufacturing Limited Apr. 2011 Rev. 1. 0
Preliminary Datasheet
Figure 8. 16.5V/350mA Output for LED Driver
Typical Application
+
C1
+
C4
V
O
+
V
O
-
D2
R1
R3
R4
Rs
Q1 R6
R7
T1
D1
C2
VCC
OUT
FB CS
GND
AP1680
Ns
+
R5 C3
D3 R2
N
V
FB
N
V
P