Texas Instruments UCC28782EVM-030, Руководство пользователя

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8.13 Boost Function for VDD Bias
Figure 8-29. Boost Operation at 5 V
OUT
and No
Load (Yellow = PWML, Red = BIN, Green = BSW,
Blue = VDD)
Figure 8-30. Boost Operation at 5 V
OUT
and Full
Load (Yellow = PWML, Red = BIN, Green = BSW,
Blue = VDD)
8.14 X-Capacitor Discharge
Figure 8-31. Typical X-Capacitor Discharge
8.15 USB-C PD Over Current Limit
Figure 8-32 shows the converter USB-C PD Over Current Limit with respect to input voltage. Figure 8-33 shows
the converter auto-retry to resume operation after over current.
www.ti.com Performance Data and Typical Characteristic Curves
SLUUBZ3B – MAY 2020 – REVISED AUGUST 2020
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Using the UCC28782EVM-030 65-W USB-C PD High-Density Active-Clamp
Flyback Converter
21
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