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| FAN3111 Datasheet, PDF (15/18 Pages) Fairchild Semiconductor – Single 1A High-Speed, Low-Side Gate Driver | |||
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Typical Application Diagrams
Rectified
AC Input
Logic
PWM
VDD
FAN3111
33Ω
Q1A
VDD
FAN3111
33Ω
Q1B
Downstream
Converters
Figure 43. PFC Boost Circuit Utilizing Distributed Drivers for Parallel Power Switches Q1A and Q1B
Figure 44. Driver for Forward Converter Low-Side Switch
VIN
T2
VDD
PWM FAN3111
CC
0.1µF
Q1
D1
D2
Q2
T1
VSEC
Figure 45. Driver for Two-Transistor, Forward-Converter Gate Transformer
© 2008 Fairchild Semiconductor Corporation
FAN3111 ⢠Rev. 1.0.1
15
www.fairchildsemi.com
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