LT1963A Series
Typical perForMance characTerisTics
Typical Dropout Voltage
Guaranteed Dropout Voltage
Dropout Voltage
500
450
400
350
300
250
200
150
100
50
500
450
400
350
300
250
200
150
100
50
600
500
400
300
200
100
0
= TEST POINTS
T ≤ 125°C
J
T = 125°C
J
I
= 1.5A
L
T ≤ 25°C
J
T = 25°C
J
I
= 0.5A
L
I
= 100mA
L
I
= 1mA
L
0
0
0
1.4
0
0.8
1.2 1.4
0.2 0.4 0.6 0.8 1.0 1.2
OUTPUT CURRENT (A)
1.6
0.2 0.4 0.6
1.0
1.6
–50
0
25
50
75 100 125
–25
OUTPUT CURRENT (A)
TEMPERATURE (°C)
1963A G01
1963A G02
1963A G03
Quiescent Current
LT1963A-1.8 Output Voltage
LT1963A-1.5 Output Voltage
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.54
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
I
L
= 1mA
I
L
= 1mA
1.53
1.52
LT1963A-1.5/1.8/-2.5/-3.3
1.51
1.50
1.49
1.48
1.47
LT1963A
V
= 6V
IN
L
R
= ∞, I = 0
L
V
= V
IN
SHDN
1.46
25
50
TEMPERATURE (°C)
75
100 125
–50 –25
0
–25
0
25
50
75
125
–50
100
–25
0
50
75 100 125
–50
25
TEMPERATURE (°C)
TEMPERATURE (°C)
1963A G04
1963A G05
1963A G40
LT1963A-2.5 Output Voltage
LT1963A-3.3 Output Voltage
LT1963A ADJ Pin Voltage
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
1.230
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
I
L
= 1mA
I
= 1mA
I = 1mA
L
L
–25
0
25
50
75
125
–25
0
25
50
75
125
–25
0
25
50
75
125
–50
100
–50
100
–50
100
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
1963A G06
1963A G07
1963A G08
1963aff
7
For more information www.linear.com/LT1963A