
5.5 Light Load Regulation, 0-mA to 200-mA Load
Load Current (A)
Output Er
ro
r (%)
0
0.05
0.1
0.15
0.2
0
2%
4%
6%
8%
10%
12%
14%
16%
18%
20%
22%
24%
200 V
IN
400 V
IN
600 V
IN
800 V
IN
1000 V
IN
Figure 5-5. UCC28C56EVM Load Regulation, No Load to 200-mA Load
5.6 Line Regulation, Various Loads
Input Voltage (V)
Output Er
ro
r (%)
50
150
250
350
450
550
650
750
850
950
-5%
-4%
-3%
-2%
-1%
0
1%
2%
3%
4%
5%
0.5 A Load
1.3 A Load
2.0 A Load
2.7 A Load
Figure 5-6. UCC28C56EVM Line regulation, various loads
Performance Data
SLUUCN1C – JUNE 2022 – REVISED DECEMBER 2022
Using the UCC28C56EVM-066 High-Density 40-W Auxiliary Power Supply for
800-V Traction Inverters
11
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