EPR-34 Datasheet, PDF (17/28 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
9.4 Overload Power
The curve below shows the maximum overload power vs. input line voltage. The X pin of
U1 is used to reduce the primary current limit with increasing line voltage, limiting
overload power.
Overload Power vs Line Voltage
200
190
180
170
160
150
140
130
120
110
100
80
100 120 140 160 180 200 220 240 260 280
Input Voltage (VAC)
Figure 10 – EP-34 Overload Power vs. Line Voltage, Room Temperature.
Page 17 of 28
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