LT4356 Linear Technology Corporation, LT4356 Datasheet - Page 5

• Manufacturer Part Number: LT4356
• Description: Overvoltage Protection Regulator And Inrush Limiter
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
unless otherwise noted.
14
12
10
48
40
32
24
16
8
0
8
6
4
2
0
0
0
ΔV
Overvoltage TMR Current
vs (V
OVERVOLTAGE CONDITION
V
V
OUT
TMR
GATE
10
2
= 5V
CC
= 1V
vs I
20
– V
4
GATE
OUT
V
30
6
CC
3.0
2.5
2.0
1.5
1.0
0.5
I
GATE
0
)
–50
– V
TMR Pull-Down Current
vs Temperature
40
V
8
OUT
TMR
(μA)
–25
(V)
50
10
= 1V
12
60
0
V
TEMPERATURE (°C)
OUT
14
70
= 12V
43561 G12
25
43561 G09
16
80
50
75
280
240
200
160
120
14
12
10
80
40
100
0
8
6
4
2
0
–50
43561 G15
0
ΔV
Overcurrent TMR Current
vs (V
I
OVERCURRENT CONDITION
V
V
GATE
OUT
TMR
GATE
125
10
–25
= 0V
= –1μA
CC
= 1V
vs Temperature
20
– V
0
TEMPERATURE (°C)
OUT
V
30
CC
25
)
– V
V
V
40
CC
CC
OUT
50
= 8V
= 4V
(V)
50
75
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
60
0
0
Output Low Voltage vs Current
100
70
43561 G13
4356 G10
Specifi cations are at V
0.5
125
80
1.0
CURRENT (mA)
A
OUT
1.5
14
12
10
14
12
10
8
6
4
2
0
8
6
4
2
0
0
0
ΔV
Warning Period TMR Current
vs V
I
V
OVERVOLTAGE, EARLY
WARNING PERIOD
V
V
GATE
OUT
FB
TMR
2.0
GATE
10
10
= 1.5V
CC
= V
= –1μA
FLT
= 1.3V
CC
CC
vs V
20
20
2.5
= 12V, T
43561 G16
CC
EN
30
30
3.0
V
V
CC
CC
LT4356-1
40
40
A
(V)
(V)
= 25°C
50
50
60
60
T
T
A
A
T
= 25°C
= –40°C
A
= 0°C
70
70
43561 G11
43561 G14
43561fd
5
80
80