LT1963 Series
TYPICAL PERFOR A CE CHARACTERISTICS
LT1963 GND Pin Current
10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.21V
R
L
= 4.33, I
L
= 300mA*
100
90
GND PIN CURRENT (mA)
GND PIN CURRENT (mA)
70
60
50
40
30
20
R
L
= 1.8, I
L
= 1A*
R
L
= 1.2, I
L
= 1.5A*
GND PIN CURRENT (mA)
8
6
4
R
L
= 12.1, I
L
= 100mA*
2
R
L
= 121, I
L
= 10mA*
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
LT1963-3.3 GND Pin Current
100
90
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 3.3V
GND PIN CURRENT (mA)
GND PIN CURRENT (mA)
80
70
60
50
40
30
20
10
0
0
1
2
R
L
= 2.2, I
L
= 1.5A*
70
60
50
40
30
20
R
L
= 1.21, I
L
= 1A*
R
L
= 2.42, I
L
= 500mA*
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
R
L
= 0.81, I
L
= 1.5A*
GND PIN CURRENT (mA)
R
L
= 3.3, I
L
= 1A*
R
L
= 6.6, I
L
= 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
SHDN Pin Threshold (On-to-Off)
1.0
0.9
I
L
= 1mA
SHDN PIN THRESHOLD (V)
SHDN PIN THRESHOLD (V)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
–25
50
0
75
25
TEMPERATURE (°C)
100
125
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
–25
50
0
75
25
TEMPERATURE (°C)
100
125
I
L
= 1mA
SHDN PIN INPUT CURRENT (µA)
6
U W
1963 G16
1963 G22
LT1963-1.8 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.8V
LT1963-2.5 GND Pin Current
100
90
80
70
60
50
40
30
20
R
L
= 2.5, I
L
= 1A*
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
R
L
= 1.67, I
L
= 1.5A*
80
10
0
0
1
2
R
L
= 3.6, I
L
= 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
10
0
0
1
2
R
L
= 5, I
L
= 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
1963 G17
1963 G18
LT1963 GND Pin Current
100
90
80
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.21V
100
90
80
70
60
50
40
30
20
10
0
GND Pin Current vs I
LOAD
V
IN
= V
OUT (NOMINAL)
+1V
10
0
0
0.2
0.4 0.6 0.8 1.0 1.2
OUTPUT CURRENT (A)
1.4
1.6
1963 G19
1963 G20
1963 G21
SHDN Pin Threshold (Off-to-On)
1.0
0.9
I
L
= 1.5A
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
SHDN Pin Input Current
0
2
4
6 8 10 12 14 16 18 20
SHDN PIN VOLTAGE (V)
1963 G24
1963 G23
1963fa
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
