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