RLD1301
Drain Current vs. Drain Voltage
100
500mm Heat sink, Copper 2oz, T
A
= 25 C
2
o
Drain Current vs. Drain Voltage
100
500mm Heat sink, Copper 2oz, T
A
= 25 C
R
ADJ
= 6 ohm
2
o
R
ADJ
= 6 ohm
Drain Current, I
DD
[mA]
60
R
ADJ
= 9 ohm
Drain Current, I
DD
[mA]
80
80
60
R
ADJ
= 9 ohm
40
R
ADJ
= 18 ohm
40
R
ADJ
= 18 ohm
20
R
ADJ
= 56 ohm
20
R
ADJ
= 56 ohm
0
0
1
2
3
4
5
0
0
10
20
30
40
50
60
70
80
Drain Voltage, V
DD
[V]
Drain Voltage, V
DD
[V]
Drain Current vs. Adjustment Resistor
100
500mm Heat sink, Copper 2oz, V
DD
= 5V
Measured at 10min after power on
2
Drain Current vs. Operating Time
100
500mm Heat sink, Copper 2oz, V
DD
= 5V, T
A
= 25 C
R
ADJ
= 6 ohm
2
o
Drain Current, I
DD
[mA]
Drain Current, I
DD
[mA]
80
80
60
T
A
= 25 C
T
A
= 50 C
T
A
= 80 C
o
o
o
60
R
ADJ
= 9 ohm
40
40
R
ADJ
= 18 ohm
20
20
R
ADJ
= 56 ohm
0
0
0
10
20
30
40
50
60
0
50
100
150
200
250
300
Adjustment Resistor, R
ADJ
[ohm]
Operating Time after Power On, T
OP
[min]
sec
Drain Current vs. Ambient Temperature
100
500mm Heat sink, Copper 2oz, V
DD
= 5V
Measured at 10min after power on
2
Power Derating vs. Ambient Temperature
2.5
Drain Current, I
DD
[mA]
80
R
AD J
Power Dissipation, P
D
[W]
2.0
= 6 oh
m
60
R
ADJ
1.5
Heat sink : 100mm , copper 2oz
Heat sink : 300mm , copper 2oz
2
2
2
= 9 oh
m
40
R
ADJ
= 18 ohm
1.0
Heat sink : 500mm , copper 2oz
20
R
ADJ
= 56 ohm
0.5
0
20
30
40
50
60
70
o
80
90
0.0
0
20
40
60
80
100
o
120
140
Ambient Temperature, T
A
[ C]
Ambient Temperature, T
A
[ C]
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