List of figures

AN3339

4/44

Doc ID 18449 Rev 2

List of figures

Figure 1.

EVL185W-LEDTV: 185 W demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

Electrical diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 3.

Standby power supply efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 4.

Standby consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 5.

EN61000-3-2 compliance at 230 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 6.

JEITA-MITI compliance at 100 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 7.

EN61000-3-2 compliance at 230 Vac - 50 Hz, 75 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 8.

JEITA-MITI compliance at 100 Vac - 50 Hz, 75 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 9.

Standby supply waveforms at 115 Vac - 60 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 10.

Standby supply waveforms at 230 Vac - 50 Hz - full load . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 11.

Standby supply waveforms at 400 Vdc, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 12.

Standby supply o/p rectifiers PIV at 400 Vdc, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 13.

Standby supply 5 V ripple at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 14.

Standby supply startup at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 15.

Standby supply burst mode at 230 Vac - 50 Hz, 10 mA load . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 16.

Standby supply burst mode at 230 Vac, 10 mA load - detail . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 17.

Standby supply OVP at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 18.

Standby supply OVP at 230 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 19.

Standby supply OVP at 115 Vac - 60 Hz, 0.5 A load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 20.

Standby supply OVP at 115 Vac, 0.5 A load - detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 21.

Standby supply o/p short-circuit at 230 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . 16

Figure 22.

Standby supply o/p short-circuit at 230 Vac, full load - detail . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 23.

Standby supply dynamic load at 115 Vac - 60 Hz - PFC off . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 24.

Standby supply dynamic load at 115 Vac - 60 Hz - PFC on . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 25.

PFC Vds and inductor current at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 26.

PFC Vds and inductor current at 115 Vac, full load - detail . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 27.

PFC Vds and inductor current at 230 Vac - 50 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 28.

PFC Vds and inductor current at 230 Vac, full load - detail . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 29.

L6564 signals (1) at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 30.

L6564 signals (2) at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 31.

Resonant stage waveforms at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 32.

Resonant stage control signals at 115 Vac - 60 Hz, full load . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 33.

12 V and 24 V rectifier PIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 34.

130 V rectifier PIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 35.

Startup at full load and 115 Vac by on/off signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 36.

Shut down at full load and 115 Vac by on/off signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 37.

Startup at full load and 115 Vac by on/off signal - detail. . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 38.

12 V load transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 39.

24 V load transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 40.

130 V load transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 41.

24 V current limitation at full load and 115 Vac - 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 42.

24 V short-circuit at full load and 115 Vac - 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 43.

12 V short-circuit at full load and 115 Vac - 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 44.

130 V short-circuit at full load and 115 Vac - 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 45.

OVP at full load and 115 Vac on 24 V output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 46.

OVP at full load and 115 Vac on 12 V and 130 V outputs . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 47.

Half cycle mains dip at full load and 115 Vac - 60 Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 48.

Full cycle mains dip at full load and 115 Vac - 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24