AN2994 Datasheet, PDF (3/38 Pages) STMicroelectronics – 400 W FOT-controlled PFC pre-regulator with the L6563S

AN2994
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L6563S 400 W FOT PFC demonstration board (p/n EVL6563S-400W). . . . . . . . . . . . . . . . 1
EVL6563S-400W demonstration board: electrical schematic . . . . . . . . . . . . . . . . . . . . . . . 7
EVL6563S-400W compliance to EN61000-3-2 Standard at full load . . . . . . . . . . . . . . . . . . 8
EVL6563S-400W compliance to JEITA-MITI Standard at full load. . . . . . . . . . . . . . . . . . . . 8
EVL6563S-400W compliance to EN61000-3-2 Standard at 70 W load . . . . . . . . . . . . . . . . 8
EVL6563S-400W compliance to JEITA-MITI Standard at 70 W load . . . . . . . . . . . . . . . . . . 8
EVL6563S-400W input current waveform at 100 V, 60 Hz, 400 W load. . . . . . . . . . . . . . . . 9
EVL6563S-400W input current waveform at 230 V, 50 Hz, 400 W load. . . . . . . . . . . . . . . . 9
EVL6563S-400W input current waveform at 100 V, 60 Hz, 200 W load. . . . . . . . . . . . . . . . 9
EVL6563S-400W input current waveform at 230 V, 50 Hz, 200 W load. . . . . . . . . . . . . . . . 9
EVL6563S-400W input current waveform at 100 V, 60 Hz, 70 W load. . . . . . . . . . . . . . . . 10
EVL6563S-400W input current waveform at 230 V, 50 Hz, 70 W load. . . . . . . . . . . . . . . . 10
Power factor vs. Vin and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
THD vs. Vin and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Efficiency vs. Vin and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Static Vout regulation vs. Vin and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
EVL6563S-400W inductor current ripple envelope at 115 Vac, 60 Hz, full load. . . . . . . . . 12
EVL6563S-400W inductor current ripple (detail) at 115 Vac, 60 Hz, full load . . . . . . . . . . 12
EVL6563S-400W inductor current ripple envelope at 230 Vac, 50 Hz, full load. . . . . . . . . 13
EVL6563S-400W inductor current ripple (detail) at 230 Vac, 50 Hz, full load . . . . . . . . . . 13
EVL6563S-400W input current shape at 100 Vac, 60 Hz, CFF = 470 nF, RFF = 390 kΩ . .15
EVL6563S-400W input current shape at 100 Vac, 60 Hz, CFF = 1.5 µF, RFF = 390 kΩ . .15
EVL6563S-400W input mains surge from 90 Vac to 140 Vac, full load, CFF = 1 µF . . . . . 16
L6562A FOT input mains surge from 90 Vac to 140 Vac, full load, NO VFF input . . . . . . . 16
EVL6563S-400W input mains dip from 140 to 90 Vac, full load, CFF = 1 µF. . . . . . . . . . . 17
L6562A FOT input mains dip from 140 to 90 Vac, full load, NO VFF input . . . . . . . . . . . . 17
EVL6563S-400W start-up at 90 Vac, 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
EVL6563S-400W start-up at 265 Vac, 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
EVL6563S-400W start-up attempt at 80 Vac, 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . 19
EVL6563S-400W start-up with slow input voltage increase - full load . . . . . . . . . . . . . . . . 20
EVL6563S-400W turn-off with slow input voltage decrease - full load . . . . . . . . . . . . . . . . 20
EVL6563S-400W start-up at 265 V, 50 Hz, 30 mA load . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
EVL6563S-400W start-up at 265 V, 50 Hz, no load and with external Vcc . . . . . . . . . . . . 21
EVL6563S-400W open loop at 115 Vac,60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . 23
On/Off control by a cascaded converter controller via PFC_OK or RUN pin . . . . . . . . . . . 24
Interface circuits that let the L6563S switch a PWM controller on or off. . . . . . . . . . . . . . . 25
EVL6563S-400W PCB layout (not 1:1 scaled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Thermal map at 115 Vac, 60 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Thermal map at 230 Vac, 50 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
115 Vac and full load - phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
115 Vac and full load - neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
230 Vac and full load - phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
230 Vac and full load - neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Side view of pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Doc ID 15796 Rev 2
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