Datasheet

LT4356-1/LT4356-2
7
4356fb
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Overcurrent TMR Current vs
(V
CC
– V
OUT
)
Warning Period
TMR Current vs V
CC
TMR Pull-Down Current vs
Temperature
Output Low Voltage vs Current
Overvoltage Turn-Off Time vs
Temperature
Overcurrent Turn-Off Time vs
Temperature
V
CC
– V
OUT
(V)
0
0
I
TMR
(µA)
40
80
120
160
20 40 60 80
4356 G13
200
280
240
10 30 50 70
OVERCURRENT CONDITION
V
OUT
= 0V
V
TMR
= 1V
V
CC
(V)
0 20 40 60 80
4356 G14
10 30 50 70
0
I
TMR
(µA)
4
2
6
8
10
12
14
OVERVOLTAGE, EARLY
WARNING PERIOD
V
FB
= 1.5V
V
TMR
= 1.3V
TEMPERATURE (°C)
–50
0
I
TMR
(µA)
0 50 100 125
4356 G15
3.0
2.5
2.0
1.5
1.0
0.5
–25 25 75
V
TMR
= 1V
CURRENT (mA)
0
0
V
OL
(V)
1.0
2.0
3.0
0.5
1.5
2.5
3.5
2.0 3.0
4356 G16
4.0
1.00.5 2.51.5
A
OUT
EN
FLT
TEMPERATURE (°C)
–50
0
100
t
OFF
(ns)
0 50 100 125
4356 G17
500
400
300
200
–25 25 75
OVERVOLTAGE CONDITION
V
FB
= 1.5V
TEMPERATURE (°C)
–50
1.0
1.5
t
OFF
(µs)
0 50 100 125
4356 G18
4.0
3.5
3.0
2.5
2.0
–25 25 75
OVERCURRENT CONDITION
∆V
SNS
= 120mV
typicAl perForMAnce chArActeristics
Specifications are at V
CC
= 12V, T
A
= 25°C unless otherwise noted.
V
CC
(V)
0
I
CC
(mA)
–10
–15
–80
4356 G19
–5
0
–20
–40
–60
–20
V
CC
= SNS
Reverse Current vs Reverse
Voltage
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