AN2063 データシートの表示（PDF） - STMicroelectronics

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AN2063

VIPower™: low consumption standby power with the VIPerx2A family

STMicroelectronics 

Charger application

3.3.4 Load transient

AN2063

Figure 7. Vds and Id at VIN=100 Vdc, POUT=4 W - Figure 8. Vds and Id at VIN=380 Vdc, POUT=4 W -

50 mV/division

50 mV/division

3.3.5

As shown in Figure 7 and Figure 8 the maximum overshoot and undershoot value of the

output voltage is less than 150 mV at transient tests.

Switching waveforms of normal operation at full load

Figure 9. Vds and Id at VIN=100 Vdc, POUT=4 W Figure 10. Vds and Id at VIN=380 Vdc, POUT=4 W

Figure 8 and Figure 9 show the drain voltage and drain current during normal operation at

full load. The power supply operates in the continuous current mode at low line and in

discontinue current mode at high line input as seen from the waveforms.

10/15

DocID10955 Rev 2

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