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