Datasheet

LTC1647-1/
LTC1647-2/LTC1647-3
7
1647fa
FAULT V
OL
vs V
CC
FAULT V
OL
vs Temperature
t
FAULT
vs V
CC
t
FAULT
vs Temperature Circuit Breaker Reset Time vs V
CC
Circuit Breaker Reset Time
vs Temperature
V
CC
(V)
02468101214161820
FAULT V
OL
(V)
1647-1/2/3 G22
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
T
A
= 25°C
I
OL
= 5mA
I
OL
= 1mA
TEMPERATURE (°C)
FAULT V
OL
(V)
1647-1/2/3 G23
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
CC
= 5V
I
OL
= 5mA
I
OL
= 1mA
–75 –50 –25 0 25 50 75 100 125 150
V
CC
(V)
02468101214161820
T
FAULT
(μs)
1647-1/2/3 G24
1.0
0.8
0.6
0.4
0.2
0
T
A
= 25°C
TEMPERATURE (°C)
T
FAULT
(μs)
1647-1/2/3 G25
1.0
0.8
0.6
0.4
0.2
0
–75 –50 –25 0 25 50 75 100 125 150
V
CC
= 15V
V
CC
= 12V
V
CC
= 3V
V
CC
= 5V
V
CC
(V)
0 2 4 6 8 10 12 14 16 18 20
CIRCUIT BREAKER RESET TIME (μs)
1647-1/2/3 G26
70
60
50
40
30
T
A
= 25°C
TEMPERATURE (°C)
CIRCUIT BREAKER RESET TIME (μs)
1647-1/2/3 G27
60
58
56
54
52
50
48
46
44
42
40
–75 –50 –25 0 25 50 75 100 125 150
V
CC
= 3V
V
CC
= 5V
V
CC
= 12V
V
CC
= 15V
TYPICAL PERFORMANCE CHARACTERISTICS