Datasheet

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Figure 18. Close-Up View of VD and SR GATE (Input Figure 19. Secondary-Side Waveforms (Current loop
voltage = 115-V
AC
, 5-A load.) added from transformer to SR FET gate. Input voltage
= 115-V
AC
, 0-A load, Green Mode.)
Figure 20. Secondary-Side Waveforms (Current loop Figure 21. Secondary-Side Waveforms (Current loop
added between transformer and SR FET gate. Low added between transformer and SR FET gate. Normal
power mode. Input voltage = 115-V
AC
, 0.311-A load.) operating mode. Input voltage = 115-V
AC
, 5-A load.)
Figure 22. Output Voltage During Transient Load (0% Figure 23. Output Voltage Ripple (Input voltage =
to 100% load transient, input voltage = 115-V
AC
.) 115-V
AC
, 0-A load.)
16
5-V, 25-W Flyback Converter With Secondary-Side Synchronous Rectification SLUU434–August 2010
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