Datasheet

LT1962 Series
8
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Typical perForMance characTerisTics
LT1962-5 GND Pin Current LT1962 GND Pin Current GND Pin Current vs I
LOAD
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
8
7
6
5
4
3
2
1
0
8
1962 G31
2 4 6
10
71 3 5 9
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 5V
R
L
= 16.7Ω
I
L
= 300mA*
R
L
= 25Ω
I
L
= 200mA*
R
L
= 50Ω
I
L
= 100mA*
INPUT VOLTAGE (V)
0
GND PIN CURRENT (mA)
8
7
6
5
4
3
2
1
0
8
1962 G32
2 4 6
10
71 3 5 9
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 1.22V
R
L
= 4.07Ω
I
L
= 300mA*
R
L
= 6.1Ω
I
L
= 200mA*
R
L
= 12.2Ω
I
L
= 100mA*
OUTPUT CURRENT (mA)
0
GND PIN CURRENT (mA)
3
4
5
150
250
1962 G33
2
1
0
50 100 200
6
7
8
300
V
IN
= V
OUT(NOMINAL)
+ 1V
SHDN Pin Input Current ADJ Pin Bias Current Current Limit
SHDN Pin Threshold (On-to-Off) SHDN Pin Threshold (Off-to-On) SHDN Pin Input Current
TEMPERATURE (°C)
–50
0
SHDN PIN THRESHOLD (V)
0.1
0.3
0.4
0.5
1.0
0.7
0
50
75
1962 G34
0.2
0.8
0.9
0.6
–25
25
100
125
I
L
= 1mA
TEMPERATURE (°C)
–50
0
SHDN PIN THRESHOLD (V)
0.1
0.3
0.4
0.5
1.0
0.7
0
50
75
1962 G35
0.2
0.8
0.9
0.6
–25
25
100
125
I
L
= 1mA
I
L
= 300mA
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN INPUT CURRENT (µA)
0.2
0.6
0.8
1.0
1.4
1
5
7
1962 G36
0.4
1.2
4
9
10
2
3
6 8
TEMPERATURE (°C)
–50
SHDN PIN INPUT CURRENT (µA)
1.4
25
1962 G37
0.8
0.4
–25 0 50
0.2
0
1.6
1.2
1.0
0.6
75 100
125
V
SHDN
= 20V
TEMPERATURE (°C)
–50
20
25
35
25 75
1962 G38
15
10
–25 0
50 100
125
5
0
30
ADJ PIN BIAS CURRENT (nA)
INPUT VOLTAGE (V)
0
0
CURRENT LIMIT (A)
0.1
0.3
0.4
0.5
1.0
0.7
2
4
5
1962 G39
0.2
0.8
0.9
0.6
1
3
6
7
V
OUT
= 0V
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