AN2623

Experimental results

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4.3

Start-up behavior

Figure 9 shows rising slopes at full load of the output voltage at nominal, minimum and

maximum input main voltages. As shown in the graphs, the rising times are fairly constant.

Figure 9.

Behavior of system under dynamic load at different input voltages

Blue: Vcomp (voltage on pin 6 of L5991)

Green: output voltage

Brown: output current