EVL6563S-400W STMicroelectronics, EVL6563S-400W Datasheet - Page 12

• Manufacturer Part Number: EVL6563S-400W
• Description: EVAL BOARD FOR L6563(400W)
• Manufacturer: STMicroelectronics
• Type: Motor / Motion Controllers & Driversr

Specifications of EVL6563S-400W

• Main Purpose: Power Management, Power Factor Correction
• Embedded: No
• Utilized Ic / Part: L6563
• Primary Attributes: 400W Power Factor Correction and Preregulator Combination
• Secondary Attributes: Transition Mode & Active Tracking Boost Function.
• Maximum Operating Temperature: + 60 C
• Product: Power Management Development Tools
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6563S
• Other names: 497-10488

Test results and significant waveforms
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Figure 17. EVL6563S-400W inductor current
CH1: Q1/Q2 drain voltage
CH2: MULT voltage - pin #3
CH4: L4 inductor current ripple envelope
Inductor current in FOT and L6563S THD optimizer
The following figures show the waveforms of the inductor current at different voltage mains:
as shown in
line is very similar to that of a CCM PFC.
waveforms at the peak of the sine wave), show the different ripple currents and OFF times,
which are modulated by the input mains voltage. It is also possible to note the transition
angle from DCM to CCM, which occurs closer to the zero crossing of the current sine wave
at low mains and moves towards the top if the circuit is working at high mains.
ripple envelope at 115 Vac, 60 Hz,
full load
Figure 17
and
Figure
Doc ID 15796 Rev 2
19, the inductor current waveform over the half-period of a
Figure 18. EVL6563S-400W inductor current
CH1: Q1/Q2 drain voltage
CH2: MULT voltage - pin #3
CH4: L4 inductor current ripple envelope
Figure 18
and
ripple (detail) at 115 Vac, 60 Hz,
full load
Figure 20
(magnifications of the
AN2994