FAN3223 Datasheet, PDF (20/24 Pages) Fairchild Semiconductor – Dual 4A High-Speed, Low-Side Gate Drivers

Typical Application Diagrams
Figure 52. High Current Forward Converter
with Synchronous Rectification
Figure 53. Center-tapped Bridge Output with
Synchronous Rectifiers
Vin
QC
QA
QD
QB
FAN3224
FAN3227
FAN3227
PWM-A
PWM-B
PWM-C
Secondary
Phase Shift
Controller
PWM-D
SR-1
SR-2
Figure 54. Secondary Controlled Full Bridge with Current Doubler Output, Synchronous Rectifiers
(Simplified)
© 2007 Fairchild Semiconductor Corporation
FAN3223 / FAN3224 / FAN3225 • Rev. 1.0.5
20
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