Datasheet

www.ti.com Performance Data
8 Performance Data
Figure 12. Primary-Side Waveforms (Input voltage = Figure 13. Primary-Side Waveforms (Input voltage =
115-V
AC
, no load, Green Mode operation.) 115-V
AC
, 1-A load, Amplitude Modulation Mode.)
Figure 14. Primary-Side Waveforms (Input voltage = Figure 15. Primary and Secondary Currents (Current
115-V
AC
, 5-A load, Frequency Modulation Mode.) loops were added to EVM in the HV MOSFET drain and
the trace from the transformer to the SR FET drain.
Input voltage = 115-V
AC
, 5-A load.)
Figure 16. Secondary-Side Current (Current loop Figure 17. Secondary-Side Waveforms (Input voltage =
added between transformer and drain of SR FET and 115-V
AC
, 5-A load.)
SR GATE signal, Input voltage = 115-V
AC
, 5-A load.)
15
SLUU434–August 2010 5-V, 25-W Flyback Converter With Secondary-Side Synchronous Rectification
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