Texas Instruments TPS53128, Руководство пользователя

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7 Performance Data and Typical Characteristic Curves
Figure 7-1 through Figure 7-8 present typical performance curves for the TPS53128EVM-620. 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
0 1 2 3 4 5
I - Load Current - A
LOAD
V = 12 V
I
V = 22 V
I
V = 8 V
I
50
55
60
65
70
75
80
85
90
95
h
- Efficiency - %
V = 8 V-22 V,
V = 1.05 V,
I = 0 A-4 A
I
OUT1
OUT1
Figure 7-1. Efficiency vs Load
0 1 2 3 4 5
I - Load Current - A
LOAD
50
55
60
65
70
75
80
85
90
95
h
- Efficiency - %
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.8 V,
I = 0 A-4 A
I
OUT2
OUT2
Figure 7-2. Efficiency vs Load
7.2 Line and Load Regulation
1.048
1.05
1.052
1.054
1.056
1.058
1.06
1.062
0 1 2 3 4 5
I - Load Current - A
LOAD
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.05 V,
I = 0 A-4 A
I
OUT1
OUT1
V
- Output V
oltage - V
O
Figure 7-3. Output Voltage vs Load
1.795
1.8
1.805
1.81
1.815
1.82
1.825
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.8 V,
I = 0 A-4 A
I
OUT2
OUT2
I - Load Current - A
LOAD
V
- Output V
oltage - V
O
Figure 7-4. Output Voltage vs Load
www.ti.com Performance Data and Typical Characteristic Curves
SLVU433A – FEBRUARY 2011 – REVISED JANUARY 2022
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TPS53128 Buck Controller Evaluation Module User's Guide 11
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