Texas Instruments TPS56121, User Manual, Page: 13 / 28

9 Performance Data and Typical Characteristic Curves
Figure 9-1 through Figure 9-12 present typical performance curves for the TPS56121EVM-601. Since actual
performance data can be affected by measurement techniques and environmental variables, these curves are
presented for reference and may differ from actual field measurements.
9.1 Efficiency
50
55
60
65
70
75
80
85
90
95
0 5 10 15
I
LOAD
- Load Current - A
-
E
ff
ic
ie
n
c
y
-
%
VIN = 8 V
VIN = 12 V
VIN = 14 V
Figure 9-1. Efficiency
9.2 Load Regulation
0.98
0.985
0.99
0.995
1
1.005
1.01
1.015
1.02
0 5 10 15
I
LOAD
- Load Current - A
V
O
U
T
-
O
u
tp
u
t
V
o
lt
a
g
e
-
V
VIN = 8 V
VIN = 12 V
VIN = 14 V
Figure 9-2. Load Regulation
www.ti.com Performance Data and Typical Characteristic Curves
SLVU445C – MARCH 2011 – REVISED AUGUST 2021
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TPS56121 Step-Down Converter Evaluation Module User's Guide 13
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