DER-34 Datasheet, PDF (13/19 Pages) Power Integrations, Inc. – 13W Multiple Output Supply using TOP242P

DER-34
13W Integrated Digital TV PSU
April 1, 2004
8 Measurements
All measurements were performed in a lab ambient of 25˚C with the unit mounted
horizontally in free air.
8.1 Efficiency
Efficiency was measured at the full power condition specified in Table 1. Figure 5 shows
the results.
80
75
70
65
60
55
50
180
200
220
240
260
280
Input Voltage (Vac)
Figure 5 - Full Power Efficiency Variation with Input Voltage
8.2 Line Regulation
8
6
2V5
4
3V3
2
5V
0
9V
32V
-2
-4
180
200
220
240
260
280
Figure 6 - Input Voltage (Vac)
Power Integrations
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