DER-75
2.4W Power Supply using LNK520P
September 12, 2005
8 Performance
8.1 Efficiency
Efficiency vs Load - 042304a
80.00%
70.00%
60.00%
50.00%
85VAC
115VAC
230VAC
265VAC
0
100
200
300
400
500
Load (mA)
Figure 6 – Efficiency vs. Input Voltage, Room Temperature, 60 Hz.
8.2 No-Load Input Power
No Load Consumption - 042304a
0.30
0.25
0.20
0.15
0.10
0.05
0.00
No Load
60
90 120 150 180 210 240 270
Vin (VAC)
Figure 7 – Zero Load Input Power vs. Input Line Voltage, Room Temperature, 60 Hz.
Power Integrations
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