lt4254cgn-trpbf Linear Technology Corporation, lt4254cgn-trpbf Datasheet - Page 4

• Manufacturer Part Number: lt4254cgn-trpbf
• Description: Positive High Voltage Hot Swap Controller With Open-circuit Detect
• Manufacturer: Linear Technology Corporation

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