8.18 Thermal Images at Full Load (20V and 3.25 A)
Figure 8-46. V
IN
= 90 V
AC
, Top Side (Transformer:
75.6 °C)
Figure 8-47. V
IN
= 90 V
AC
, Bottom Side (DB1: 92.0
°C)
Figure 8-48. V
IN
= 115 V
AC
, Top Side (Transformer:
80.8 °C)
Figure 8-49. V
IN
= 115 V
AC
, Bottom Side (DB1: 75.6
°C)
Figure 8-50. V
IN
= 230 V
AC
, Top Side (Transformer:
86.8 °C)
Figure 8-51. V
IN
= 230 V
AC
, Bottom Side (Q1: 82.7
°C)
Performance Data and Typical Characteristic Curves
SLUUBZ3B – MAY 2020 – REVISED AUGUST 2020
Using the UCC28782EVM-030 65-W USB-C PD High-Density Active-Clamp
Flyback Converter
25
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