Texas Instruments LM61460EVM, User Manual

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Output Current (A)
Ef
fic
ie
nc
y
(%
)
0.001 0.010.02 0.05 0.1 0.2 0.5 1 2 3 4 5 7 10
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-10. F
SW
= 400 kHz, 3.3 VOUT, Auto Mode
Output Current (A)
Ef
fic
ie
nc
y
(%
)
0 1 2 3 4 5 6 7
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-11. F
SW
= 400 kHz, 3.3 VOUT, FPWM Mode
Load Current (A)
Ef
fic
ie
nc
y
(%
)
0.001 0.010.02 0.05 0.1 0.2 0.5 1 2 3 4 5 7 10
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-12. F
SW
= 2.2 MHz, 5 VOUT, Auto Mode
Load Current (A)
Ef
fic
ie
nc
y
(%
)
0 1 2 3 4 5 6 7
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-13. F
SW
= 2.2 MHz, 5 VOUT, FPWM Mode
Output Current (A)
Ef
fic
ie
nc
y
(%
)
0.001 0.010.02 0.05 0.1 0.2 0.5 1 2 3 4 5 7 10
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-14. F
SW
= 2.2 MHz, 3.3 VOUT, Auto Mode
Output Current (A)
Ef
fic
ie
nc
y
(%
)
0 1 2 3 4 5 6 7
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
LM61
V
IN
= 8 V
V
IN
= 13.5 V
V
IN
= 24 V
Figure 6-15. F
SW
= 2.2 MHz, 3.3 VOUT, FPWM Mode
www.ti.com LM61460EVM Board Test Results
SNVU621D – MAY 2019 – REVISED JULY 2021
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