Datasheet

Data Sheet ADP122/ADP123
Rev. E | Page 15 of 24
JUNCTION TEMPERATURE CALCULATIONS FOR TSOT PACKAGE
140
120
100
80
60
40
20
0
0.5 1.0 1.5 2.0 2.5 3.0
JUNCTION TEMPERATURE (°C)
V
OUT
– V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 300mA
T
J
MAX
08399-128
Figure 38. Junction Temperature vs. Power Dissipation,
500 mm
2
of PCB Copper, T
A
= 25°C
140
120
100
80
60
40
20
0
JUNCTION TEMPERATURE (°C)
V
OUT
– V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 300mA
T
J
MAX
0.5 1.0 1.5 2.0 2.5 3.0
08399-129
Figure 39. Junction Temperature vs. Power Dissipation,
100 mm
2
of PCB Copper, T
A
= 25°C
140
120
100
80
60
40
20
0
JUNCTION TEMPERATURE (°C)
V
OUT
– V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 300mA
T
J
MAX
0.5 1.0 1.5 2.0 2.5 3.0
08399-130
Figure 40. Junction Temperature vs. Power Dissipation,
0 mm
2
of PCB Copper, T
A
= 25°C
140
120
100
80
60
40
20
0
JUNCTION TEMPERATURE (°C)
V
OUT
– V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 25mA
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 300mA
T
J
MAX
0.5 1.0 1.5 2.0 2.5 3.0
08399-131
Figure 41. Junction Temperature vs. Power Dissipation,
500 mm
2
of PCB Copper, T
A
= 50°C