LT1962 Series
TYPICAL PERFOR A CE CHARACTERISTICS
U W
LT1962-3.3 Quiescent Current
LT1962-5 Quiescent Current
LT1962 Quiescent Current
800
700
600
500
400
300
200
100
0
800
700
600
500
400
300
200
100
0
40
35
30
25
20
15
10
5
T
= 25°C
=
T
= 25°C
T = 25°C
J
R = 250k
L
J
L
J
L
R
∞
R
=
∞
V
= V
IN
SHDN
V
= 0V
9
V
= 0V
8
SHDN
SHDN
7
V
= V
V
= V
SHDN
IN
SHDN
6
IN
V
= 0V
SHDN
8
0
0
1
2
3
4
5
6
9
10
0
1
2
3
4
5
7
8
10
0
2
4
6
10 12 14 16 18 20
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1962 G16
1962 G17
1962 G18
LT1962-1.5 GND Pin Current
LT1962-1.8 GND Pin Current
LT1962-2.5 GND Pin Current
1500
1250
1500
1250
1500
1250
T = 25°C
T = 25°C
T = 25°C
J
J
IN
*FOR V
J
IN
*FOR V
V
= V
V
= V
V
= V
SHDN
OUT
SHDN
= 1.8V
IN
*FOR V
SHDN
OUT
= 1.5V
= 2.5V
OUT
R
L
= 30Ω
L
R
L
= 36Ω
L
R
L
= 50Ω
I
= 50mA*
L
1000
750
1000
750
1000
750
I
= 50mA*
I
= 50mA*
R
L
= 250Ω
L
500
250
0
500
250
0
500
250
0
I
= 10mA*
R
L
= 150Ω
R
L
= 1.5k
R
L
= 180Ω
R
L
= 1.8k
R = 2.5k
L
I = 1mA*
L
L
L
L
L
I
= 10mA*
I
= 1mA*
I
= 10mA*
I
= 1mA*
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1962 G19
1962 G20
1962 G21
LT1962-3 GND Pin Current
LT1962-3.3 GND Pin Current
LT1962-5 GND Pin Current
1500
1250
1500
1250
1500
1250
T = 25°C
T = 25°C
T = 25°C
J
J
IN
*FOR V
J
IN
*FOR V
V
= V
V
= V
V
= V
SHDN
= 3V
SHDN
IN
SHDN
= 5V
= 3.3V
*FOR V
OUT
OUT
OUT
R
L
= 66Ω
L
R
L
= 60Ω
L
R
L
= 100Ω
1000
750
1000
750
1000
750
L
I
= 50mA*
I
= 50mA*
I
= 50mA*
R
L
= 330Ω
= 10mA*
R = 500Ω
L
I = 10mA*
L
L
I
R
L
= 300Ω
= 10mA*
L
500
250
0
500
250
0
500
250
0
I
R
I
= 3k
R
I
= 3.3k
R = 5k
L
I = 1mA*
L
L
L
L
L
= 1mA*
= 1mA*
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1962 G22
1962 G23
1962 G24
6