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