Texas Instruments UCC29950EVM-631, User Manual, Page: 26 / 38

Performance Data and Typical Characteristic Curves
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Figure 32. V
OUT
, 1 A, Self Bias Figure 33. V
OUT
25 A, Aux Bias
Table 4. No-Load Input Power
LINE BIAS MODE AUX BIAS POWER NO LOAD INPUT POWER
90 V
AC
Self Bias 325 mW
115 V
AC
Self Bias 390 mW
230 V
AC
Self Bias 660 mW
264 V
AC
Self Bias 745 mW
90 V
AC
Aux Bias 130 mW 254 mW + 130 mW = 384 mW
115 V
AC
Aux Bias 130 mW 200 mW + 130 mW = 330 mW
230 V
AC
Aux Bias 130 mW 160 mW + 130 mW = 290 mW
264 V
AC
Aux Bias 130 mW 175 mW + 130 mW = 305 mW
26 Using the UCC29950EVM-631 300-W PFC/LLC Off-Line PSU Module SLUUB69A – March 2015 – Revised March 2015
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