Datasheet

LT3055
6
3055f
For more information www.linear.com/LT3055
SHDN Pin Input Current SHDN Pin Input Current ADJ Pin Bias Current
Internal Current Limit Internal Current Limit Reverse Output Current
GND Pin Current, V
OUT
= 5V GND Pin Current vs I
LOAD
SHDN Pin Threshold
TYPICAL PERFORMANCE CHARACTERISTICS
T
J
= 25°C, unless otherwise noted.
V
IN
(V)
0
0
GND PIN CURRENT (mA)
2
4
6
8
12
2
4 6 8
3055 G10
101
3
5 7 9 11 12
10
1
3
5
7
11
9
R
L
= 20Ω, I
L
= 250mA
R
L
= 50Ω, I
L
= 100mA
R
L
= 500Ω, I
L
= 10mA
R
L
= 10Ω, I
L
= 500mA
I
LOAD
(mA)
0
GND PIN CURRENT (mA)
12
16
20
400
3055 G11
8
4
10
14
18
6
2
0
100
200
300
50 450
150
250
350
500
V
IN
= 5.6V
V
OUT
= 5V
TEMPERATURE (°C)
–75
SHDN PIN THRESHOLD (V)
1.0
1.2
1.4
1.5
1.3
1.1
0.9
25 50 100 175
0.6
0.8
0.2
0.4
0.5
0.7
0.1
0.3
0
–50 –25 0
75
125 150
3055 G12
OFF TO ON
ON TO OFF
TEMPERATURE (°C)
0
SHDN PIN INPUT CURRENT (µA)
1.0
2.0
3.0
0.5
1.5
2.5
–25 25 75 125
3055 G13
175–50–75 0 50 100 150
SHDN = 45V
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN INPUT CURRENT (µA)
0.5
1.5
2.0
2.5
10
20
25 45
3055 G14
1.0
5 15
30
35
40
3.0
TEMPERATURE (°C)
–75
ADJ PIN BIAS CURRENT (nA)
30
40
50
125
3055 G15
20
10
25
35
45
15
5
0
–25
25
75
–50 150
0
50
100
175
TEMPERATURE (°C)
–75
CURRENT LIMIT (A)
1.0
1.2
1.4
1.5
1.3
1.1
0.9
25 50 100 175
0.6
0.8
0.2
0.4
0.5
0.7
0.1
0.3
0
–50 –25 0
75
125 150
3055 G16
V
IN
= 6V
V
OUT
= 0V
INPUT VOLTAGE (V)
0
0
CURRENT LIMIT (A)
0.1
0.3
0.4
0.5
1.0
0.7
10
20
25 45
3055 G17
0.2
0.8
0.9
0.6
5 15
30
35
40
T
J
= –55°C
T
J
= –40°C
T
J
= 25°C
T
J
= 125°C
T
J
= 150°C
V
OUT
(V)
0
0
OUTPUT CURRENT (µA)
0.1
0.3
0.4
0.5
1.0
0.7
10
20
25 40
3055 G18
0.2
0.8
0.9
0.6
5 15
30
35
V
IN
= 0