Texas Instruments UCC28782EVM-030, User Manual

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8.4 Efficiency Result of 4-Point Average at 5-Vout
Table 8-4. Efficiency Test Data on 5-Vout
V
IN
(VRMS) P
IN
(W) V
OUT
(V) I
OUT
(A) P
OUT
(%) EFFICIENCY
EFFICIENCY
4pt-AVERAGE
Average
Switching
Frequency @
Full Load
90 16.201 4.959 3.000 100% 91.84% 95 kHz
90 12.643 4.952 2.250 75% 88.13%
90 8.512 4.951 1.500 50% 87.25%
90 4.312 4.949 0.750 25% 86.09%
90 1.732 4.948 0.300 10% 85.69%
115 16.174 4.953 3.000 100% 91.87% 88.0% 96 kHz
115 12.614 4.951 2.250 75% 88.31%
115 8.571 4.949 1.500 50% 88.61%
115 4.349 4.948 0.750 25% 85.34%
115 1.810 4.948 0.300 10% 82.02%
230 16.357 4.951 3.000 100% 90.81% 84.1% 82 kHz
230 13.045 4.950 2.250 75% 85.38%
230 9.117 4.949 1.500 50% 81.42%
230 4.702 4.947 0.750 25% 78.91%
230 1.928 4.947 0.300 10% 76.96%
264 16.328 4.953 3.000 100% 91.00% 79 kHz
264 13.148 4.952 2.250 75% 84.74%
264 9.315 4.950 1.500 50% 79.71%
264 4.811 4.948 0.750 25% 77.14%
264 2.003 4.948 0.300 10% 74.11%
CoC Tier 2, 4pt-average 81.8%
CoC Tier 2, 10%-load 72.5%
www.ti.com Performance Data and Typical Characteristic Curves
SLUUBZ3B – MAY 2020 – REVISED AUGUST 2020
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