EVL6566A-75WADP Datasheet, PDF (5/8 Pages) STMicroelectronics – 19 V - 75 W laptop adapter with tracking boost PFC pre-regulator, using the L6563 and the L6566A

EVL6566A-75WADP
4
No-load
No-load
Table 3 gives the power consumption of the circuit during no-load operation. Figure 6 and
Figure 7 show the main waveforms under this condition.
Table 3.
No-load consumption
Vin [Vrms]
90
115
230
265
Input power [W]
0.94
0.107
0.202
0.260
Figure 6. L6566A fly-back stage
Figure 7. L6566A fly-back stage
waveforms at 115 V-60 Hz no-load
waveforms at 230 V-50 Hz no-load
CH1: drain 6566A
CH2: V_cc 6566A
CH3: V_out adapter
CH1: drain 6566A
CH2: V_cc 6566A
CH3: V_out adapter
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