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LT4254 Datasheet(PDF) 4 Page - Linear Technology

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

LT4254 Datasheet(HTML) 4 Page - Linear Technology

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background image
LT4254
4
4254fb
TYPICAL PERFOR A CE CHARACTERISTICS
FB Pin Hysteresis vs Temperature
GATE Pin Pull-Up Current
vs Temperature
GATE Pin Pull-Down Current
vs Temperature
∆VGATE vs Temperature
∆VGATE vs VCC
ICC vs Temperature
FB Pin Threshold Voltage (Low-
to-High) vs Temperature
TEMPERATURE (
°C)
–50
–25
1.0
1.4
2.0
0
50
75
4254 G04
1.2
1.8
1.6
25
100
125
VCC = 36V
VCC = 10.8V
VCC = 24V
TEMPERATURE (
°C)
–50
4.42
4.44
4.46
25
75
4254 G05
4.40
4.38
–25
0
50
100
125
4.36
4.34
TEMPERATURE (
°C)
–50
4.00
4.01
4.02
25
75
4254 G06
3.99
3.98
–25
0
50
100
125
3.97
3.96
FB Pin Threshold Voltage (High-
to-Low) vs Temperature
TEMPERATURE (
°C)
–50
300
320
360
380
400
50
480
4254 G07
340
0
–25
75
100
25
125
420
440
460
TEMPERATURE (
°C)
–50
–45
–40
–30
–25
–20
50
0
4254 G08
–35
0
–25
75
100
25
125
–15
–10
–5
TEMPERATURE (
°C)
–50
75
25
4254 G09
60
50
–25
0
50
45
40
80
70
65
55
75
100
125
TEMPERATURE (
°C)
–50
11
25
4254 G10
8
6
–25
0
50
5
4
12
10
9
7
75
100
125
VCC = 18V
VCC = 12V
VCC = 10.8V
∆VGATE vs Temperature
TEMPERATURE (
°C)
–50
12.0
12.5
13.0
25
75
4254 G11
11.5
11.0
–25
0
50
100
125
10.5
10.0
VCC = 24V, 36V
VCC = 20V
VCC (V)
10
14
12
10
8
6
4
2
0
25
35
" #" /
15
20
30
40
TA = 25°C



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