EPR-71 Datasheet, PDF (13/28 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP 71 - 6.6 W DC-DC Converter Using DPA Switch- (DPA423G)

19-Jul-2005
EP-71 3.3 V, 2 A DC-DC Power Supply
9 Performance Data
All measurements were performed at room temperature utilizing a DC input source and
DC dynamic loads. Input and output voltages and current were measured with dedicated
DVMs.
9.1 Efficiency
82%
81%
80%
79%
78%
77%
76%
75%
74%
73%
72%
0.50
VIN = 36 VDC
VIN = 48 VDC
VIN = 57 VDC
VIN = 75 VDC
0.75
1.00
1.25
1.50
1.75
2.00
Load Current (A)
Figure 7 - Efficiency vs. Output Load, Room Temperature.
Page 13 of 28
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com