STMicroelectronics 400 W FOT-controlled PFC pre-regulator with the L6563S EVL6563S-400W User Manuals

Table of Contents

• Figure 1. L6563S 400 W FOT PFC demonstration board (p/n EVL6563S-400W)

  1
• 1 Main characteristics and circuit description

  5
  • Figure 2. EVL6563S-400W demonstration board: electrical schematic

    7
• 2 Test results and significant waveforms

  8
  • 2.1 Harmonic content measurement

    8
    • Figure 3. EVL6563S-400W compliance to EN61000-3-2 Standard at full load

      8
    • Figure 4. EVL6563S-400W compliance to JEITA-MITI Standard at full load

      8
    • Figure 5. EVL6563S-400W compliance to EN61000-3-2 Standard at 70 W load

      8
    • Figure 6. EVL6563S-400W compliance to JEITA-MITI Standard at 70 W load

      8
    • Figure 7. EVL6563S-400W input current waveform at 100 V, 60 Hz, 400 W load

      9
    • Figure 8. EVL6563S-400W input current waveform at 230 V, 50 Hz, 400 W load

      9
    • Figure 9. EVL6563S-400W input current waveform at 100 V, 60 Hz, 200 W load

      9
    • Figure 10. EVL6563S-400W input current waveform at 230 V, 50 Hz, 200 W load

      9
    • Figure 11. EVL6563S-400W input current waveform at 100 V, 60 Hz, 70 W load

      10
    • Figure 12. EVL6563S-400W input current waveform at 230 V, 50 Hz, 70 W load

      10
    • Figure 13. Power factor vs. Vin and load

      10
    • Figure 14. THD vs. Vin and load

      10
    • Figure 15. Efficiency vs. Vin and load

      11
    • Figure 16. Static Vout regulation vs. Vin and load

      11
  • 2.2 Inductor current in FOT and L6563S THD optimizer

    12
    • Figure 17. EVL6563S-400W inductor current ripple envelope at 115 Vac, 60 Hz, full load

      12
    • Figure 18. EVL6563S-400W inductor current ripple (detail) at 115 Vac, 60 Hz, full load

      12
    • Figure 19. EVL6563S-400W inductor current ripple envelope at 230 Vac, 50 Hz, full load

      13
    • Figure 20. EVL6563S-400W inductor current ripple (detail) at 230 Vac, 50 Hz, full load

      13
  • 2.3 Voltage feed-forward

    14
    • Figure 21. EVL6563S-400W input current shape at 100 Vac, 60 Hz, CFF = 470 nF, RFF = 390 kW

      15
    • Figure 22. EVL6563S-400W input current shape at 100 Vac, 60 Hz, CFF = 1.5 µF, RFF = 390 kW

      15
    • Figure 23. EVL6563S-400W input mains surge from 90 Vac to 140 Vac, full load, CFF = 1 µF

      16
    • Figure 24. L6562A FOT input mains surge from 90 Vac to 140 Vac, full load, NO VFF input

      16
    • Figure 25. EVL6563S-400W input mains dip from 140 to 90 Vac, full load, CFF = 1 µF

      17
    • Figure 26. L6562A FOT input mains dip from 140 to 90 Vac, full load, NO VFF input

      17
  • 2.4 Start-up and RUN pin

    18
    • Figure 27. EVL6563S-400W start-up at 90 Vac, 60 Hz, full load

      18
    • Figure 28. EVL6563S-400W start-up at 265 Vac, 50 Hz, full load

      18
  • 2.5 Brownout function

    19
    • Figure 29. EVL6563S-400W start-up attempt at 80 Vac, 60 Hz, full load

      19
    • Figure 30. EVL6563S-400W start-up with slow input voltage increase - full load

      20
    • Figure 31. EVL6563S-400W turn-off with slow input voltage decrease - full load

      20
  • 2.6 Start-up at light loads

    21
    • Figure 32. EVL6563S-400W start-up at 265 V, 50 Hz, 30 mA load

      21
    • Figure 33. EVL6563S-400W start-up at 265 V, 50 Hz, no load and with external Vcc

      21
  • 2.7 Overvoltage and open-loop protection

    22
    • Figure 34. EVL6563S-400W open loop at 115 Vac,60 Hz, full load

      23
  • 2.8 Power management/housekeeping functions

    24
    • Figure 35. On/Off control by a cascaded converter controller via PFC_OK or RUN pin

      24
    • Figure 36. Interface circuits that let the L6563S switch a PWM controller on or off

      25
• 3 Layout hints

  26
  • Figure 37. EVL6563S-400W PCB layout (not 1:1 scaled)

    27
• 4 Audible noise

  28
• 5 Thermal measures

  29
  • Figure 38. Thermal map at 115 Vac, 60 Hz - full load

    29
  • Figure 39. Thermal map at 230 Vac, 50 Hz - full load

    29
  • Table 1. Measured temperature at 115 Vac and 230 Vac - full load

    29
• 6 Conducted emissions pre-compliance tests peak detection

  30
  • Figure 40. 115 Vac and full load - phase

    30
  • Figure 41. 115 Vac and full load - neutral

    30
  • Figure 42. 230 Vac and full load - phase

    30
  • Figure 43. 230 Vac and full load - neutral

    30
• 7 Bill of materials

  31
  • Table 2. Bill of materials for the EVL6563S-400W demonstration board

    31
• 8 PFC coil specification

  34
  • 8.1 General description and characteristics

    34
  • 8.2 Electrical characteristics

    34
    • Figure 44. Electrical diagram

      34
    • Table 3. Winding characteristics

      34
  • 8.3 Mechanical aspects and pin numbering

    35
    • Figure 45. Side view of pin

      35
• 9 References

  36
• 10 Revision history

  37
  • Table 4. Document revision history

    37