LT1963A Series
Typical perForMance characTerisTics
LT1963A GND Pin Current
10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.21V
100
90
LT1963A-1.5 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.5V
100
90
LT1963A-1.8 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.8V
GND PIN CURRENT (mA)
GND PIN CURRENT (mA)
GND PIN CURRENT (mA)
8
80
70
60
50
40
30
20
80
70
60
50
40
30
20
10
0
6
R
L
= 4.33, I
L
= 300mA*
R
L
= 1, I
L
= 1.5A*
R
L
= 1.5, I
L
= 1A*
R
L
= 3, I
L
= 500mA*
R
L
= 1.2, I
L
= 1.5A*
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
1963A G16
R
L
= 1.8, I
L
= 1A*
10
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
R
L
= 3.6, I
L
= 500mA*
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
1963A G43
1963A G17
LT1963A-2.5 GND Pin Current
100
90
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
R
L
= 1.67, I
L
= 1.5A*
100
90
LT1963A-3.3 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 3.3V
LT1963A GND Pin Current
100
90
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.21V
GND PIN CURRENT (mA)
GND PIN CURRENT (mA)
70
60
50
40
30
20
10
0
0
1
2
70
60
50
40
30
20
GND PIN CURRENT (mA)
80
80
80
70
60
50
40
30
20
R
L
= 2.2, I
L
= 1.5A*
R
L
= 0.81, I
L
= 1.5A*
R
L
= 2.5, I
L
= 1A*
R
L
= 3.3, I
L
= 1A*
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
= 5, I
L
= 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
10
0
0
1
2
R
L
= 6.6, I
L
= 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
10
0
1963A G18
1963A G19
1963A G20
GND Pin Current vs I
LOAD
100
90
V
IN
= V
OUT (NOMINAL)
+1V
SHDN
Pin Threshold (On-to-Off)
1.0
0.9
I
L
= 1mA
1.0
0.9
SHDN
Pin Threshold (Off-to-On)
I
L
= 1.5A
SHDN
PIN THRESHOLD (V)
SHDN
PIN THRESHOLD (V)
GND PIN CURRENT (mA)
80
70
60
50
40
30
20
10
0
0
0.2
0.4 0.6 0.8 1.0 1.2
OUTPUT CURRENT (A)
1.4
1.6
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
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
1963A G21
1963A G22
1963A G23
1963aff
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LINER [ LINEAR TECHNOLOGY ]
