Performance Data and Typical Characteristic Curves
24
SLUUBX3B – June 2019 – Revised November 2019
Copyright © 2019, Texas Instruments Incorporated
UCC25640EVM-020 Evaluation Module
9.12 Steady State
The following waveforms show the sampled resonant capacitor voltage (VCR), resonant current, and low
side gate voltage (LO) with 115 VAC, 60 Hz applied to the AC input and 390 VDC applied to the DC input.
and
show the waveforms during burst mode.
Figure 22. Steady State Waveforms at No Load (Ch2 = VCR; Ch3 = LO; Ch4 = IResonant)
Figure 23. Steady State Waveforms at 15 A Load (Ch2 = VCR; Ch3 = LO; Ch4 = IResonant)