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Q0765R_08 View Datasheet(PDF) - Fairchild Semiconductor
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Description
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Q0765R_08
Green-Mode Fairchild Power Switch (FPS™) for Quasi-Resonant Operation - Low EMI and High Efficiency
Fairchild Semiconductor
Q0765R_08 Datasheet PDF : 22 Pages
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Application Diagram
V
O
AC
IN
Sync
PWM
FB V
CC
V
str
Drain
GND
FSQ0765R Rev.00
Figure 1. Typical Flyback Application
Internal Block Diagram
Sync
5
AVS
FB
4
0.35/0.55
V
CC
V
ref
V
Burst
I
delay
I
FB
3R
t
ON
< t
OSP
after SS
R
Soft-
Start
PWM
V
str
V
CC
Drain
6
3
1
OSC
V
ref
V
CC
good
8V/12V
LEB
250ns
S
Q
R
Q
Gate
driver
V
OSP
V
SD
V
OVP
LPF
TSD
LPF
S
Q
R
Q
AOCP
V
OCP
(1.1V)
2
GND
V
CC
good
Figure 2. Internal Block Diagram
FSQ0765R Rev.00
© 2008 Fairchild Semiconductor Corporation
FSQ0565R, FSQ0765R Rev. 1.0.1
3
www.fairchildsemi.com
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