Typical Application Diagrams
Figure 33. High-Current Forward Converter
with Synchronous Rectification
Figure 34.
Center-Tapped Bridge Output with
Synchronous Rectifiers
Vin
QC
QD
QA
QB
FAN3214
PWM-A
FAN3227
SR-1
SR-2
Secondary
Phase Shift
Controller
PWM-B
PWM-C
FAN3227
PWM-D
Figure 35. Secondary Controlled Full Bridge with Current Doubler Output,
Synchronous Rectifiers (Simplified)
© 2008 Fairchild Semiconductor Corporation
FAN3213 / FAN3214 • Rev. 1.0.2
www.fairchildsemi.com
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