Load Current (A)
Ou
tput
V
o
ltag
e
Re
g
u
la
tio
n (
V
)
0
5
10
15
20
25
0.99
0.995
1
1.005
1.01
D003
V
IN
= 5 V
V
IN
= 12 V
V
IN
= 14 V
V
IN
= 18 V
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Performance Data and Typical Characteristic Curves
15
SLUUBN2 – March 2017
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Copyright © 2017, Texas Instruments Incorporated
TPS549B22EVM-847, 25-A Single Synchronous Step-Down Converter With
Full Differential Sense and PMBus™
11.3 Line Regulation
Figure 7. Line Regulation of 1-V Output
Figure 8. PMBus V
OUT
Step-Up = 0.6 V to 1.2 V at 0 A
