Texas Instruments LM5123EVM-BST, Руководство пользователя

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4 Test Results
Section 4 covers the test results of the evaluation module.
4.1 Efficiency
Figure 4-1 shows the efficiency of the evaluation module when configured in FPWM switching mode.
I
OUT
(A)
E
ffici
ency (%)
0 0.8 1.6 2.4 3.2 4 4.8 5.6 6.4 7.2 8
50
55
60
65
70
75
80
85
90
95
100
18V_EFF
14V_EFF
12V_EFF
10V_EFF
8V_EFF
Figure 4-1. Efficiency: V
OUT
= 24-V
Figure 4-2 shows the efficiency comparison between Skip switching mode and FPWM switching mode at light
loading conditions.
I
OUT
(A)
E
ffici
ency (%)
0.001 0.021 0.041 0.061 0.081 0.1
0
20
40
60
80
100
SKIP MODE
FPWM MODE
Figure 4-2. Efficiency: V
OUT
= 24-V Light Load
www.ti.com Test Results
SNVU737A – DECEMBER 2020 – REVISED DECEMBER 2021
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LM5123EVM-BST Evaluation Module 9
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