Texas Instruments TPS53126EVM-600, User Manual

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7 Performance Data and Typical Characteristic Curves
Figure 7-1 through Figure 7-8 present typical performance curves for the TPS53126EVM-600. Because 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.
7.1 Efficiency
95
90
85
80
75
70
65
60
h
- Efficiency - %
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
(a) F = 350 kHz
SW
95
90
85
80
75
70
65
60
h
- Efficiency - %
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
(b) F = 700 kHz
SW
Figure 7-1. Efficiency vs Load (V
IN
= 8 V–22 V, V
OUT1
= 1.05 V, I
OUT1
= 0 A–4 A)
95
90
85
80
75
70
65
60
h
- Efficiency - %
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
(a) F = 350 kHz
SW
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
95
90
85
80
75
70
65
60
h
- Efficiency - % V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
(a) F = 700 kHz
SW
Figure 7-2. Efficiency vs Load (V
IN
= 8 V–22 V, V
OUT2
= 1.8 V, I
OUT2
= 0 A–4 A)
www.ti.com Performance Data and Typical Characteristic Curves
SLVU435A – FEBRUARY 2011 – REVISED JANUARY 2022
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