EPR-33 Datasheet, PDF (15/32 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 33 - 45 W LCD Monitor External Power Supply using TOP247Y (TOPSwitch-GX)

28-Mar-2003
EPR-33 – 45 W External Adapter Supply
9 Performance Data
All measurements performed at room temperature, 60 Hz input frequency.
9.1 Efficiency
EP-33 Efficiency vs. Input Voltage, Full Load
88%
87%
86%
85%
84%
83%
82%
81%
80%
79%
80
Efficiency at Supply Output
Efficiency at Cable End
100 120 140 160 180 200 220 240 260 280
Input Voltage (VAC)
Figure 6 - Efficiency vs. Input Voltage, Full Load, Room Temperature, 60 Hz.
Page 15 of 32
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