lt4254cgn-trpbf Linear Technology Corporation, lt4254cgn-trpbf Datasheet - Page 5

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

TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–120
–130
–140
–150
4.02
4.01
3.98
3.96
4.00
3.99
3.97
–80
–90
4.6
4.0
5.0
4.8
4.4
4.2
–50
–50 –25
–50 –25
TIMER Pin Pull-Up Current
vs Temperature
TIMER Shutdown Threshold
vs Temperature
UV Threshold Voltage (Low-to-
High) vs Temperature
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
W
100
100
100
4254 G19
4254 G13
4254 G16
U
125
125
125
–116
–124
–126
–118
–120
–122
500
450
300
200
400
350
250
1.0
4.0
3.5
3.0
2.5
2.0
1.5
0.5
0
– 50
–50
10
TIMER Pin Pull-Down Current
vs Temperature
TIMER Pin Pull-Up Current vs V
UV Hysteresis vs Temperature
T
A
– 25
–25
= 25°C
15
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
25
25
V
CC
25
(V)
50
50
30
75
75
100
100
35
4254 G20
4254 G14
4254 G17
CC
125
125
40
3.60
4.02
4.01
3.99
3.98
3.96
3.66
3.65
3.64
3.63
3.62
3.61
3.59
3.58
4.00
3.97
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
– 50
–50
10
TIMER Pin Pull-Down Current
vs V
UV Threshold Voltage (High-to-
Low) vs Temperature
OV Threshold Voltage (Low-to-
High) vs Temperature
T
A
= 25°C
– 25
–25
CC
15
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
25
25
V
CC
25
(V)
50
50
LT4254
30
75
75
100
100
35
4257 G21
4254 G18
# / #
4254fb
5
125
125
40