FAN3506 Datasheet, PDF (9/16 Pages) Fairchild Semiconductor – PC SMPS Secondary Side Control IC

Typical Application Circuit
FAN3506
PC300-1
10K
39K
0.11K
+5Vsb
+3.3V
+5V
#1
V33
V5
PC800-1
+12V
1K
FPO
27K
Micom
224
V12
Vcc
FPO
Rd
PSON
TPSON
VREF
IK
F
A
PT2
N
PT1
3
5
GND
0
PGI
6
TPG
PG
224
103
1K
PT2
5K
1K
PT1
Det
VZ=12V
+ ^2.2uF
20K
Micom
[ Complete Housekeeping Circuit using the FAN3506 ]
L
7
IO
+
+3.3V/+5V/+12V
PWM IC
(KA38XX)
8
1
2
Q100
PC300-2
PC800-2
9