ADP123 Analog Devices, ADP123 Datasheet - Page 17
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ADP123
Manufacturer Part Number
ADP123
Description
5.5 V Input, 300 mA, Low Quiescent Current, CMOS Linear Regulator, Adjustable Output Voltage
Manufacturer
Analog Devices
Datasheet
1.ADP122.pdf
(24 pages)
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JUNCTION TEMPERATURE CALCULATIONS FOR LFCSP PACKAGE
140
120
100
140
120
100
80
60
40
20
80
60
40
20
0
0
0.5
0.5
Figure 45. Junction Temperature vs. Power Dissipation,
Figure 46. Junction Temperature vs. Power Dissipation,
T
T
J
J
MAX
MAX
1.0
1.0
500 mm
100 mm
2
2
of PCB Copper, T
of PCB Copper, T
1.5
1.5
V
V
OUT
OUT
1mA
150mA
1mA
– V
300mA
– V
IN
IN
(V)
(V)
2.0
2.0
A
A
100mA
25mA
300mA
= 25°C
= 25°C
150mA
25mA
10mA
10mA
2.5
2.5
100mA
3.0
3.0
Rev. A | Page 17 of 24
140
120
100
140
120
100
80
60
40
20
80
60
40
20
0
0
0.5
0.5
Figure 47. Junction Temperature vs. Power Dissipation,
Figure 48. Junction Temperature vs. Power Dissipation,
T
T
J
J
MAX
MAX
1.0
1.0
500 mm
100 mm
300mA
2
2
of PCB Copper, T
of PCB Copper, T
1.5
1.5
V
V
OUT
OUT
– V
– V
IN
IN
(V)
(V)
2.0
2.0
ADP122/ADP123
1mA
A
1mA
A
= 50°C
= 50°C
300mA
150mA
100mA
25mA
100mA
150mA
2.5
2.5
10mA
25mA
10mA
3.0
3.0