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AN1317 - APPLICATION NOTE

Figure 15: Typical efficiency of a Buck non isolated

Figure 16: Typical efficiency of an non isolated inverter

4.3 Short Circuit

Fig. 17 shows the inductor current when submitted to a short circuit on the output. It can be seen that this

current exceeds the current limitation of the VIPer20 (It is about 3 A for a limitation of 0.67 A for the

050

100

150

200

250

300

Iout (mA)

0%

10%

20%

30%

40%

50%

60%

70%

80%

Efficiency

Vin = 100V

Vin = 200V

Vin = 300V

0

50

100

150

200

250

300

-Iout (mA)

0%

10%

20%

30%

40%

50%

60%

70%

80%

Efficiency

Vin = 100V

Vin = 200V

Vin = 300V