EVL6566A-75WADP Datasheet, PDF (3/8 Pages) STMicroelectronics – 19 V - 75 W laptop adapter with tracking boost PFC pre-regulator, using the L6563 and the L6566A

EVL6566A-75WADP
2
Full load
Full load
Figure 2 and Figure 3 below show the drain and gate fly-back waveforms and the relevant
switching frequency at full load.
Figure 2. L6566A fly-back stage
Figure 3. L6566A fly-back stage
waveforms at 115 V-60 Hz full load
waveforms at 230 V-50 Hz full load
CH1: drain 6566A
CH2: gate 6566A
CH1: drain 6566A
CH2: gate 6566A
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