EPR-34 Datasheet, PDF (23/28 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 34 - Single Output 30 W AC-DC Power Supply

10-Feb-2004
EPR-34 – 12 V, 30 W, Universal Input
12 Control Loop Measurements
12.1 115 VAC Maximum Load
Figure 25 - Gain-Phase Plot, 180 VAC, Maximum Steady State Load.
Vertical Scale: Gain = 10 dB/div, Phase = 50°/div.
Crossover Frequency = 1.16 kHz Phase Margin = 66.5°
12.2 230 VAC Maximum Load
Figure 26 - Gain-Phase Plot, 230 VAC, Maximum Steady State Load.
Vertical Scale: Gain = 10 dB/div, Phase = 50°/div.
Crossover Frequency = 831 Hz, Phase Margin = 79.4°
Page 23 of 28
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