EPR-21 Datasheet, PDF (17/32 Pages) Power Integrations, Inc. – Engineering Prototype Report (EP-21) - 30 W DC-DC Converter with DPA424

19-Nov-02
EPR-21 – 5 V, 30 W DC-DC Converter
10 Performance Data
All measurements performed at room temperature unless otherwise specified.
10.1 Efficiency
0.9
0.85
0.8
0.75
0.7
0.65
0.6
0
EP-21 Efficiency vs. Output Power
10
20
30
40
Output Power (W)
VIN = 36 V
VIN = 48 V
VIN = 60 V
VIN = 72 V
Figure 8 − Efficiency vs. Output Power, Room Temperature.
EP-21 Efficiency vs. Input Voltage
87.0
86.0
85.0
84.0
83.0
82.0
81.0
80.0
79.0
78.0
77.0
35 40 45 50 55 60 65 70 75
DC Input Voltage
IOUT = 6 A
IOUT = 3 A
IOUT = 1 A
Figure 9 − Efficiency vs. Input Voltage, Room Temperature.
Page 17 of 32
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