DER-56
UPS Battery Charger - LNK520
April 20, 2005
10 Waveforms
10.1 Drain Voltage and Current, Normal Operation
Figure 12 – 85VAC, Full Load
Figure 13 – 265VAC, Full Load
Upper: IDRAIN, 0.2 A / div
Upper: IDRAIN, 0.2 A / div
Lower: VDRAIN, 200 V / div
Lower: VDRAIN, 100 V, 10 µs / div
10.2 Output Voltage Start-up Profile
Figure 14 – Start-up Profile Vin = 115VAC; 12V @ 400mA, 2 V, 50 ms / div.
Power Integrations
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