Datasheet

0 1 2 3 4 5
EFFICIENCY (%)
LOAD CURRENT (A)
V
IN
= 24V
V
IN
= 36V
50
60
70
80
90
100
0 1 2 3 4 5
EFFICIENCY (%)
LOAD CURRENT (A)
V
IN
= 24V
V
IN
= 36V
50
60
70
80
90
100
0 1 2 3 4 5 6 7
LOAD CURRENT (A)
EFFICIENCY (%)
V
IN
= 24V
V
IN
= 36V
30
40
50
60
70
80
90
100
LM5642, LM5642X
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SNVS219K JUNE 2003REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Efficiency vs Load Current Efficiency vs Load Current Using Vds Sense
Ch.2 = 3.3V, Ch.1 = Off Ch.2 = 1.8V, Ch.2 = Off
Figure 22. Figure 23.
Efficiency vs Load Current Using Vds Sense
Ch.2 = 3.3V, Ch.1 = Off
Figure 24.
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