Datasheet

LT3029
6
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Typical perForMance characTerisTics
Current Limit
TEMPERATURE (°C)
CURRENT LIMIT (A)
3029 G16
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
IN
= 7V
V
OUT
= 0V
–75 –50 –25 0
25
50
75 100 125 150 175
Current Limit
INPUT VOLTAGE (V)
CURRENT LIMIT (A)
3029 G15
0 2 4 6
8
10
12 14 16 18 20
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
OUT
= 0V
T
J
= 150°C
T
J
= 25°C
T
J
= –55°C
T
J
= 125°C
SHDN1 or SHDN2 Pin
Input Current
ADJ1 or ADJ2 Pin Bias Current
TEMPERATURE (°C)
SHDN PIN INPUT CURRENT (µA)
3029 G13
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
SHDN
= 20V
–75 –50 –25 0
25
50
75 100 125 150 175
TEMPERATURE (°C)
ADJ PIN BIAS CURRENT (nA)
3029 G14
–75 –50 –25 0
25
50
75 100 125 150 175
150
135
120
105
90
75
60
45
30
15
0
SHDN1 or SHDN2 Pin Threshold
(Off-to-On)
SHDN1 or SHDN2 Pin
Input Current
TEMPERATURE (°C)
SHDN PIN THRESHOLD (V)
3029 G11
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–75 –50 –25 0
25
50
75 100 125 150 175
I
L
= 1mA
I
L
= 500mA
SHDN PIN VOLTAGE (V)
SHDN PIN INPUT CURRENT (µA)
3029 G12
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 2 4 6
8
10
12 14 16 18 20
T
J
= 25°C
T
J
= 25°C, unless otherwise noted.