Datasheet

8
LT1962 Series
SHDN Pin Threshold (On-to-Off)
TEMPERATURE (°C)
–50
0
SHDN PIN THRESHOLD (V)
0.1
0.3
0.4
0.5
1.0
0.7
0
50
75
1962 G34
0.2
0.8
0.9
0.6
–25
25
100
125
I
L
= 1mA
SHDN Pin Input Current
ADJ Pin Bias Current Current Limit
SHDN Pin Input Current
SHDN Pin Threshold (Off-to-On)
Current Limit
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–50
0
SHDN PIN THRESHOLD (V)
0.1
0.3
0.4
0.5
1.0
0.7
0
50
75
1962 G35
0.2
0.8
0.9
0.6
–25
25
100
125
I
L
= 1mA
I
L
= 300mA
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN INPUT CURRENT (µA)
0.2
0.6
0.8
1.0
1.4
1
5
7
1962 G36
0.4
1.2
4
9
10
2
3
68
TEMPERATURE (°C)
–50
SHDN PIN INPUT CURRENT (µA)
1.4
25
1962 G37
0.8
0.4
–25 0 50
0.2
0
1.6
1.2
1.0
0.6
75 100 125
V
SHDN
= 20V
TEMPERATURE (°C)
–50
20
25
35
25 75
1962 G38
15
10
–25 0
50 100 125
5
0
30
ADJ PIN BIAS CURRENT (nA)
INPUT VOLTAGE (V)
0
0
CURRENT LIMIT (A)
0.1
0.3
0.4
0.5
1.0
0.7
2
4
5
1962 G39
0.2
0.8
0.9
0.6
1
3
6
7
V
OUT
= 0V
TEMPERATURE (°C)
–50
CURRENT LIMIT (A)
0.8
1.0
1.2
25 75
1962 G40
0.6
0.4
–25 0
50 100 125
0.2
0
V
IN
= 7V
V
OUT
= 0V
OUTPUT VOLTAGE (V)
01
REVERSE OUTPUT CURRENT (µA)
30
40
50
60
70
80
90
100
897
1962 F07
20
10
0
23
4
6
5
10
LT1962
LT1962-5
T
J
= 25°C
V
IN
= 0V
CURRENT FLOWS
INTO OUTPUT PIN
V
OUT
= V
ADJ
(LT1962)
LT1962-1.5
LT1962-1.8
LT1962-2.5
LT1962-3
LT1962-3.3
Reverse Output Current Reverse Output Current
TEMPERATURE (°C)
–50
REVERSE OUTPUT CURRENT (µA)
20
25
30
25 75
1962 G42
15
10
–25 0
50 100 125
5
0
V
IN
= 0V
V
OUT
= 1.22V (LT1962)
V
OUT
= 1.5V (LT1962-1.5)
V
OUT
= 1.8V (LT1962-1.8)
V
OUT
= 2.5V (LT1962-2.5)
V
OUT
= 3V (LT1962-3)
V
OUT
= 3.3V (LT1962-3.3)
V
OUT
= 5V (LT1962-5)
LT1962
LT1962-1.5/-1.8/-2.5/-3/-3.3/-5