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EPR-21 Datasheet(PDF) 20 Page - Power Integrations, Inc.

Part # EPR-21
Description  Engineering Prototype Report (EP-21) - 30 W DC-DC Converter with DPA424
PDF  32 Pages
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

EPR-21 Datasheet(HTML) 20 Page - Power Integrations, Inc.

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EPR-21 – 5 V, 30 W DC-DC Converter
19-Nov-02
Input Voltage
36 VDC
48 VDC
72 VDC
Item
Ambient
57
°C
61
°C
69
°C
DPA-Switch (U1)
114
°C
113
°C
113
°C
Transformer (T1)
114.5
°C
115
°C
116
°C
Output Choke (L2)
110
°C
112
°C
115
°C
Output Rectifier (D2)
114
°C
115
°C
117
°C
Base Plate
110
°C
110
°C
110
°C
Figure 15 – EP-21 Thermal Performance, No Heat Sink, Maximum Load, Ambient
Temperature Adjusted for 110
°C, Base Plate Temperature.
EP-21 Thermal Derating
(115
oC Maximum Baseplate, V
IN = 48 V)
0
5
10
15
20
25
30
35
0
2040
6080
100
120
Ambient Temperature (
oC)
No heat sink
With heat sink
Figure 16 – EP-21 Output Power Thermal Derating.
Page 20 of 32
Power Integrations, Inc.
Tel: +1 408 414 9660 Fax: +1 408 414 9760
www.powerint.com



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