FSQ0465RU Fairchild Semiconductor, FSQ0465RU Datasheet - Page 3
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FSQ0465RU
Manufacturer Part Number
FSQ0465RU
Description
lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
Manufacturer
Fairchild Semiconductor
Datasheet
1.FSQ0465RU.pdf
(22 pages)
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FSQ0465RU Rev. 1.0.0
© 2009 Fairchild Semiconductor Corporation
Application Diagram
Internal Block Diagram
FB
4
V
CC
V
V
V
V
OSP
OVP
SD
CC
I
delay
t
ON
after SS
V
< t
ref
OSP
I
FB
0.35/0.55
AC
V
LPF
IN
Burst
3R
Sync
R
LPF
Sync
Figure 1. Typical Flyback Application
Soft-
Start
5
Figure 2. Internal Block Diagram
V
TSD
FB
AVS
PWM
PWM
V
CC
V
CC
good
V
250ns
LEB
STR
OSC
3
GND
Drain
S
R
S
R
Q
Q
Q
Q
V
6
str
V
ref
V
CC
AOCP
FSQ0465 Rev. 00
good
driver
Gate
V
(1.1V)
V
V
O
8V/12V
OCP
3
CC
V
CC
FSQ0465 Rev.00
Drain
1
www.fairchildsemi.com
2
GND
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