Input Power (W)
Power
Fa
c
tor
(PF
)
0
100
200
300
400
0.95
0.96
0.97
0.98
0.99
1
D001
230 V
115 V
Input Voltage (V
RMS
)
O
u
tp
u
t
V
o
lt
a
g
e
(
V
)
0
50
100
150
200
250
300
350
12
12.01
12.02
12.03
D001
Output Current (A)
Ou
tput V
o
lt
ag
e (V
)
0
2.5
5
7.5
10
12.5
15
17.5
20
22.5
25
27.5
12.01
12.015
12.02
12.025
12.03
12.035
12.04
12.045
12.05
12.055
12.06
12.065
12.07
12.075
12.08
12.085
12.09
D001
230 (V)
115 (V)
Performance Data and Typical Characteristic Curves
7.6
Line/Load Regulation
Figure 16. Line Regulation vs Input Voltage
Figure 17. Load Regulation vs Output Current
7.7
Power Factor
Figure 18. Power Factor vs Input Power
21
SLUUB69A – March 2015 – Revised March 2015
Using the UCC29950EVM-631 300-W PFC/LLC Off-Line PSU Module
Copyright © 2015, Texas Instruments Incorporated