DocID023658 Rev 2

3/33

AN4163

List of figures

33

List of figures

Figure 1.

EVL4984-350W demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

EVL4984-350W CCM PFC demonstration board electrical schematic. . . . . . . . . . . . . . . . . 7

Figure 3.

EVL4984-350W: compliance to EN61000-3-2 standard at full load . . . . . . . . . . . . . . . . . . . 8

Figure 4.

EVL4984-350W: compliance to JEITA-MITI standard at full load. . . . . . . . . . . . . . . . . . . . . 8

Figure 5.

EVL4984-350W: compliance to EN61000-3-2 standard at 70 W load . . . . . . . . . . . . . . . . . 8

Figure 6.

EVL4984-350W: compliance to JEITA-MITI standard at 70 W load . . . . . . . . . . . . . . . . . . . 8

Figure 7.

EVL4984-350W input current waveform at 100 V - 60 Hz - 350 W load. . . . . . . . . . . . . . . . 9

Figure 8.

EVL4984-350W input current waveform at 230 V - 50 Hz - 350 W load. . . . . . . . . . . . . . . . 9

Figure 9.

EVL4984-350W input current waveform at 100 V - 60 Hz - half load . . . . . . . . . . . . . . . . . . 9

Figure 10.

EVL4984-350W input current waveform at 230 V - 50 Hz - half load . . . . . . . . . . . . . . . . . . 9

Figure 11.

EVL4984-350W input current waveform at 100 V - 60 Hz – 70 W load . . . . . . . . . . . . . . . 10

Figure 12.

EVL4984-350W input current waveform at 230 V - 50 Hz – 70 W load . . . . . . . . . . . . . . . 10

Figure 13.

Power factor vs. Vin and load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 14.

Figure 15.

Efficiency vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 16.

Average efficiency acc. to ES-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 17.

Static Vout regulation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 18.

EVL4984-350W inductor current ripple envelope at 115 Vac - 60 Hz - full load . . . . . . . . . 12

Figure 19.

EVL4984-350W inductor current ripple (detail) at 115 Vac - 60 Hz - full load . . . . . . . . . . . 12

Figure 20.

EVL4984-350W inductor current ripple envelope at 230 Vac - 50 Hz - full load . . . . . . . . . 12

Figure 21.

EVL4984-350W inductor current ripple (detail) at 230 Vac - 50 Hz - full load . . . . . . . . . . . 12

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Figure 29.

Figure 30.

EVL4984-350W start-up at 265 Vac -50 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 31.

Figure 32.

Figure 33.

Figure 34.

EVL4984-350W startup attempt at 80 Vac - 60 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 35.

Figure 36.

Figure 37.

EVL6563S-400W startup with slow input voltage increasing - full load . . . . . . . . . . . . . . . 20

Figure 38.

EVL6563S-400W turn-off with slow input voltage decreasing - full load. . . . . . . . . . . . . . . 20

Figure 39.

EVL4984-350W startup at 265 V -50 Hz - 30 mA load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 40.

EVL4984-350W open loop at 115 Vac - 60 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 41.

Interface circuits that let dc-dc converter’s controller IC disable the L4984D . . . . . . . . . . . 22

Figure 42.

Figure 43.

Figure 44.

Figure 45.

Figure 46.

Figure 47.