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Q0465R View Datasheet(PDF) - Fairchild Semiconductor

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Q0465R Datasheet PDF : 24 Pages
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Application Diagram
VO
AC
IN
VSTR
Drain
Sync
PWM
GND
VFB
VCC
FSQ0465 Rev. 00
Figure 1. Typical Flyback Application
Internal Block Diagram
Sync
5
AVS
FB
4
0.35/0.55
VCC
Vref
VBurst
Idelay
IFB
3R
tON < tOSP
after SS
R
Soft-
Start
PWM
Vstr
VCC
Drain
6
3
1
OSC
Vref
VCC good
VCC
8V/12V
LEB
250ns
SQ
RQ
Gate
driver
VOSP
VSD
VCC
VOVP
LPF
TSD
LPF
SQ
RQ
AOCP
VOCP
(1.1V)
2
GND
VCC good
Figure 2. Internal Block Diagram
FSQ0465 Rev.00
© 2008 Fairchild Semiconductor Corporation
FSQ0465RS/RB Rev. 1.0.1
3
www.fairchildsemi.com
 

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