EPR-31 Datasheet, PDF (28/36 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-31 Multiple Output 180 W AC-DC Power

EPR-31 – Multi Output, 180 W, PC Main Power Supply
10 Thermal Performance
Thermal test taken at 90 VAC (worst case condition).
Ambient Temperature is 50 °C.
Output loads: +5 V/8 A, +3.3 V/8 A, +12 V/9 A, +5 V standby/1.5 A.
Device
U1 (TOP249)
L1 (Output Choke)
Passive PFC Choke
D8 (+5 V Output Diode)
T1 (Main Transformer)
L7 (Input Ballun)
BR1 (Input Bridge)
Temp (°C)
91
83
78
88
71
68
62
01-Feb-05
Power Integrations
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