EPR-34 Datasheet, PDF (15/28 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 Performance Data
All measurements performed at room temperature, 60 Hz input frequency.
9.1 Efficiency
100%
EP-34 Efficiency vs. Input Voltage
95%
90%
85%
Iout = 2.5 A
Iout = 1 A
80%
75%
70%
80
100 120 140 160 180 200 220 240 260 280
AC Input Voltage
Figure 6 - Efficiency vs. Input Voltage, Room Temperature, 60 Hz.
9.2 No-load Input Power
EP-34 Zero Load Input Power vs. Input Voltage
0.5
0.45
0.4
0.35
0.3
0.25
0.2
85
105
125
145
165
185
205
225
245
265
AC Input Voltage
Figure 7 - Zero Load Input Power vs. Input Line Voltage, Room Temperature, 60 Hz.
Page 15 of 28
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com