LT1763 Series
TYPICAL PERFORMANCE CHARACTERISTICS
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
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
I
L
= 500mA
SHDN PIN INPUT CURRENT (µA)
SHDN Pin Input Current
1.6
V
SHDN
= 20V
SHDN PIN INPUT CURRENT (µA)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0
25
50
75
100
125
ADJ PIN BIAS CURRENT (nA)
CURRENT LIMIT (A)
TEMPERATURE (°C)
1763 G29
Current Limit
1.2
1.0
V
IN
= 7
V
OUT
= 0V
100
90
80
70
60
50
40
30
20
10
0
–50 –25
0
50
25
0
75
TEMPERATURE (°C)
100
125
0.8
0.6
0.4
0.2
REVERSE OUTPUT CURRENT (µA)
LT1763
LT1763-1.8
LT1763-2.5
LT1763-3
LT1763-3.3
REVERSE OUTPUT CURRENT (µA)
CURRENT LIMIT (A)
8
U W
1763 G26
1763 G32
SHDN Pin Threshold
(Off-to-On)
1.0
0.9
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
SHDN Pin Input Current
0
1
2
3 4 5 6 7 8
SHDN PIN VOLTAGE (V)
9
10
1763 G27
1763 G28
ADJ Pin Bias Current
140
120
100
80
60
40
20
0
–50 –25
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Current Limit
V
OUT
= 0V
50
25
0
75
TEMPERATURE (°C)
100
125
0
1
4
3
2
5
INPUT VOLTAGE (V)
6
7
1763 G31
1763 G30
Reverse Output Current
20
T
J
= 25°C, V
IN
= 0V
CURRENT FLOWS
INTO OUTPUT PIN
V
OUT
= V
ADJ
(LT1763)
LT1763-1.5
Reverse Output Current
V
IN
= 0V, V
OUT
= 1.22V (LT1763)
18 V
OUT
= 1.5V (LT1763-1.5)
= 1.8V (LT1763-1.8)
V
16 V
OUT
= 2.5V (LT1763-2.5)
OUT
14 V
OUT
= 3V (LT1763-3)
V
OUT
= 3.3V (LT1763-3.3)
12 V
OUT
= 5V (LT1763-5)
10
8
6
4
2
10
0
–50 –25
50
25
0
75
TEMPERATURE (°C)
100
125
LT1763-1.5/-1.8/
-2.5/-3/-3.3/-5
LT1763
LT1763-5
0
1
2
3 4 5 6 7 8
OUTPUT VOLTAGE (V)
9
1763 G33
1763 G34
1763fa
LINER [ LINEAR TECHNOLOGY ]
