EPR-000013 Datasheet, PDF (25/56 Pages) Power Integrations, Inc. – Engineering Prototype Report (EP13) 43 W / 57 W pk, 5 Output TOPSwitch팜-GX (TOP246Y) Power Supply

08-May-2001
EPR-000013 – 43 W Multiple Output TOP246 Power Supply
10 Thermal Performance
Item
Ambient
Balun (L1)
Thermistor (RT1)
Snubber Resistor (R2)
Clamp Zener (VR1)
TOPSwitch (U1)
Transformer (T1)
18V Rectifier (D8)
12V Rectifier (D9)
5V Rectifier (D10)
3.3V Rectifier (D11)
180 VAC
30.2 °C
41.1 °C
78.9 °C
69.4 °C
65.9 °C
58.6 °C
71.2 °C
67.8 °C
74.2 °C
80.3 °C
73.7 °C
Temperature
230 VAC 180 VAC
31.1 °C
37.8 °C
71.3 °C
69.3 °C
63.4 °C
59.3 °C
72.6 °C
68.8 °C
75.1 °C
81.8 °C
75 °C
50.9 °C
59.7 °C
99.3 °C
86.4 °C
85.0 °C
81 °C
94.8 °C
87.3 °C
94.0 °C
102.7 °C
96.1 °C
Figure 14 - EP13 Thermal Performance
230 VAC
52 °C
55.7 °C
90.1 °C
85.6 °C
81.2 °C
79.7 °C
93.7 °C
87.5 °C
93.8 °C
102.5 °C
96.0 °C
Figure 15 - Infrared Thermograph of EP13, 180 V_AC Input, Maximum Continuous Load, 22 °C Ambient.
(Board was sprayed black to give an accurate emissivity figure)
Page 25 of 56
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com