Datasheet

Data Sheet ADP122/ADP123
Rev. E | Page 17 of 24
JUNCTION TEMPERATURE CALCULATIONS FOR LFCSP PACKAGE
0
20
40
60
80
100
120
140
0.5 1.0 1.5 2.0 2.5 3.0
JUNCTION TEMPERATURE (°C)
T
J
MAX
V
OUT
– V
IN
(V)
08399-139
25mA
100mA
150mA
300mA
1mA
10mA
Figure 45. Junction Temperature vs. Power Dissipation,
500 mm
2
of PCB Copper, T
A
= 25°C
0
20
40
60
80
100
120
140
0.5 1.0 1.5 2.0 2.5 3.0
JUNCTION TEMPERATURE (°C)
T
J
MAX
V
OUT
– V
IN
(V)
08399-140
25mA
100mA
150mA
300mA
1mA
10mA
Figure 46. Junction Temperature vs. Power Dissipation,
100 mm
2
of PCB Copper, T
A
= 25°C
3.0
0
20
40
60
80
100
120
140
0.5 1.0 1.5 2.0 2.5
JUNCTION TEMPERATURE (°C)
T
J
MAX
V
OUT
– V
IN
(V)
08399-141
25mA
100mA
150mA
300mA
1mA
10mA
Figure 47. Junction Temperature vs. Power Dissipation,
500 mm
2
of PCB Copper, T
A
= 50°C
0
20
60
80
100
120
140
0.5 1.0 1.5 2.0 2.5 3.0
JUNCTION TEMPERATURE (°C)
T
J
MAX
V
OUT
– V
IN
(V)
08399-142
25mA
100mA
150mA
300mA
1mA
10mA
40
Figure 48. Junction Temperature vs. Power Dissipation,
100 mm
2
of PCB Copper, T
A
= 50°C