LT4256-2 Linear Technology Corporation, LT4256-2 Datasheet - Page 4
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LT4256-2
Manufacturer Part Number
LT4256-2
Description
Lt4256-2 - Positive High Voltage Hot Swap Controllers
Manufacturer
Linear Technology Corporation
Datasheet
1.LT4256-2.pdf
(16 pages)
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LT4256-1/LT4256-2
otherwise noted.
4
TYPICAL PERFOR A CE CHARACTERISTICS
–10
–15
–20
–25
–30
–35
–40
–5
14
12
10
0
0
8
6
4
2
–50
–50
GATE Pin Pull-Up Current
vs Temperature
V
vs Temperature
GATE
–25
–25
– V
CC
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
Voltage
V
V
V
CC
CC
CC
= 10.8V
–140
= 18V
= 12V
–100
–120
25
25
–80
5.0
2.5
0
10
TIMER Pin Currents vs V
50
50
20
W
75
75
PULL-DOWN CURRENT
30
4256 G07
4256 G10
PULL-UP CURRENT
U
100
100
40
V
CC
(V)
50
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
60
63
62
61
56
60
59
58
57
CC
–50
–50
GATE Pin Pull-Down Current
vs Temperature
V
vs Temperature
GATE
70
4256 G13
–25
–25
– V
V
80
CC
CC
= 80V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
Voltage
25
25
5.4
5.2
5.0
4.8
4.6
4.4
4.2
0
–50
V
50
50
Timer Shutdown Threshold
vs Temperature
CC
V
= 20V
CC
–25
75
75
= 48V
Specifications are at T
4256 G08
4256 G11
TEMPERATURE (°C)
100
100
0
25
–120
–140
–100
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–80
0.4
0.2
10
5
0
0
50
–50
UV Pin Current vs UV Pin Voltage
0
TIMER Pin Currents
vs Temperature
1
75
–25
A
4256 G14
= 25°C unless
PULL-DOWN CURRENT
2
100
TEMPERATURE (°C)
0
PULL-UP CURRENT
3
V
UV
4
25
(V)
20
50
30
75
425612fa
40
4256 G12
4256 G09
100
50