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LT4254 Datasheet(PDF) 5 Page - Linear Technology

Part # LT4254
Description  Positive High Voltage Hot Swap Controller with Open-Circuit Detect
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT4254 Datasheet(HTML) 5 Page - Linear Technology

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LT4254
5
4254f
TYPICAL PERFOR A CE CHARACTERISTICS
Timer Shutdown Threshold
vs Temperature
ITIMER Up vs VCC
UV Threshold Voltage (High-to-
Low) vs Temperature
TIMER Pin Pull-Up Current
vs Temperature
UV Hysteresis vs Temperature
TEMPERATURE (
°C)
–50
–25
–145
–125
–135
–105
–75
0
50
75
4254 G13
–115
–85
–95
25
100
125
TIMER Pin Pull-Down Current
vs Temperature
TEMPERATURE (
°C)
–50
3.5
25
4254 G14
2.0
1.0
–25
0
50
0.5
0
4.0
3.0
2.5
1.5
75
100
125
TIMER Pin Pull-Down Current
vs VCC
VCC (V)
10.8
3.0
3.2
3.4
30.8
4254 G15
2.8
2.6
15.8
20.8
25.8
36
2.4
2.2
2.0
TA = 25°C
TEMPERATURE (
°C)
–50
–25
4.0
4.4
5.0
0
50
75
4254 G16
4.2
4.8
4.6
25
100
125
VCC (V)
10.8
–114
–112
–110
30.8
4254 G17
–116
–118
–120
15.8
20.8
25.8
36
TA = 25°C
TEMPERATURE (
°C)
–50
3.65
25
4254 G18
3.62
3.60
–25
0
50
3.59
3.58
3.66
3.64
3.63
3.61
75
100
125
UV Threshold Voltage (Low-to-
High) vs Temperature
TEMPERATURE (
°C)
–50
4.00
4.01
4.02
25
75
4254 G19
3.99
3.98
–25
0
50
100
125
3.97
3.96
TEMPERATURE (
°C)
–50
400
450
500
25
75
4254 G20
350
300
–25
0
50
100
125
250
200
OV Threshold Voltage (Low-to-
High) vs Temperature
TEMPERATURE (
°C)
–50
4.00
4.01
4.02
25
75
4257 G21
3.99
3.98
–25
0
50
100
125
3.97
3.96


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