Datasheet

L7986TA Application information
Doc ID 022098 Rev 3 33/43
Figure 21. Junction temperature vs. output
current
Figure 22. Junction temperature vs. output
current
V
OUT
=1.8V
V
OUT
=3.3V
V
OUT
=5V
HSOPVQFN
V
IN
=24V
F
SW
=250KHz
T
AMB
=25 C
V
OUT
=1.8V
V
OUT
=3.3V
V
OUT
=5V
HSOPVQFN
V
IN
=12V
F
SW
=250KHz
T
AMB
=25 C
Figure 23. Junction temperature vs. output
current
Figure 24. Efficiency vs. output current
V
OUT
=1.2V
V
OUT
=1.8V
V
OUT
=3.3V
HSOPVQFN
V
IN
=5V
F
SW
=250KHz
T
AMB
=25 C
60
65
70
75
80
85
90
95
0.100 0.600 1.100 1.600 2.100 2.600 3.100
Io [A]
Eff [%]
Vin=12V
Vin=18V
Vin=24V
Vo=5.0V
FSW=250kHz
Figure 25. Efficiency vs. output current Figure 26. Efficiency vs. output current
50
55
60
65
70
75
80
85
90
95
0.100 0.600 1.100 1.600 2.100 2.600 3.100
Io [A]
Eff [%]
Vin=5V
Vin=12V
Vin=24V
Vo=3.3V
FSW=250kHz
40
45
50
55
60
65
70
75
80
85
0.100 0.600 1.100 1.600 2.100 2.600 3.100
Io [A]
Eff [%]
Vin=5V
Vin=12V
Vin=24V
Vo=1.8V
FSW=250kHz