DER-49
-12V/3W, Non-Isolated Buck-Boost Converter
April 20, 2005
8 Waveforms
8.1 Source Voltage and Current, Normal Operation
Figure 8 - 108 VAC, Full Load.
Upper: IDRAIN, 0.2 A / div
Figure 9 - 265 VAC, Full Load.
Upper: IDRAIN, 0.2 A / div
Lower: VSOURCE, 100 V / div
Lower: VSOURCE, 50 V, 5 µs / div
8.2 Output Voltage Start-up Profile
Figure 10 - 108 VAC Input and Maximum Load.
Figure 11 - 265 VAC Input and Maximum Load.
5 V / div, 10 ms
5 V / div, 10 ms
Power Integrations
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