Data Sheet

© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSQ100 Rev. 1.0.2 2
FSQ100 — Green Mode Fairchild Power Switch (FPS
TM
)
Typical Application
Figure 1. Typical Flyback Application
Table 1. Output Power Table
Product
Open Frame
(1)
230V
AC
±15%
(2)
85~265V
AC
FSQ100 13W 8W
Notes:
1. Maximum practical continuous power in an open-frame design with sufficient drain pattern as a heat sinker, at
50C ambient.
2. 230V
AC
or 100/115V
AC
with doubler.
Internal Block Diagram
Figure 2. Functional Block Diagram
D
r
ain
GND
V
STR
V
FB
V
CC
PWM
A
C
IN
DC
OUT
2
UVLO
Voltage
Re
f
V
CC
Inte
r
nal
Bias
R
sense
I
LIM
S/ S
15ms
3
6,7,8
1
OSC
S
R
Q
TSD
S
R
Q
LEB
OLP
A
/R
DR IVER
I
delay
5
µA
I
fb
40
0
µA
Vck
V
th
SFET
D
r
ain
GND
V
FB
BURST
V
SD
PWM
Min.20V
OV P
4
N
C
5
H
V
STR
L
9/7V
Reset
V
BURL
/
V
BURH