Datasheet

Application information L5987
34/41 Doc ID 14972 Rev 3
Figure 23. Junction temperature vs
output current V
IN
= 12 V
Figure 24. Junction temperature vs
output current V
IN
= 5 V
Figure 25. Junction temperature vs
output current V
IN
= 3.3 V
Figure 26. Efficiency vs output current
V
IN
= 12 V
Figure 27. Efficiency vs output current
V
IN
= 5 V
Figure 28. Efficiency vs output current
V
IN
= 3.3 V
76
78
80
82
84
86
88
90
92
0.3 0.8 1.3 1.8 2.3 2.8
Io [A]
Efficienc
y
[
%
]
V
IN
=12V
V
O
=2.5V
V
O
=3.3V
V
O
=5V
F
SW
=250kHz
76
78
80
82
84
86
88
90
92
0.3 0.8 1.3 1.8 2.3 2.8
Io [A]
Efficienc
y
[
%
]
V
IN
=12V
V
O
=2.5V
V
O
=3.3V
V
O
=5V
F
SW
=250kHz
70
75
80
85
90
95
0.3 0.8 1.3 1.8 2.3 2.8
Io [A]
Efficienc
y
[
%
]
V
O
=1.8V
V
O
=2.5V
V
O
=3.3V
V
IN
=5V
F
SW
=250kHz
70
75
80
85
90
95
0.3 0.8 1.3 1.8 2.3 2.8
Io [A]
Efficienc
y
[
%
]
V
O
=1.8V
V
O
=2.5V
V
O
=3.3V
V
IN
=5V
F
SW
=250kHz
65
70
75
80
85
90
95
0.3 0.8 1.3 1.8 2.3 2.8
Io [A]
Efficienc
y
[% ]
V
O
=1.2V
V
O
=1.8V
V
O
=2.5V
V
IN
=3.3V