Datasheet

6
4251b12f
LTC4251B/LTC4251B-1/
LTC4251B-2
TYPICAL PERFORMANCE CHARACTERISTICS
I
TMR
(Cooling Cycle, Sinking)
vs Temperature
t
PLLUG
and t
PHLOG
vs Temperature
I
TMR
(Initial Cycle, Sourcing) vs
Temperature
I
TMR
(Circuit Breaking, Sourcing)
vs Temperature
I
TMR
(Initial Cycle, Sinking) vs
Temperature
UV/OV = 4V refers to UV = 4V for the LTC4251B-2.
TEMPERATURE (°C)
–55
DELAY (μs)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–15
25
45 125
4251b12 G26
–35 5
65
85
105
t
PLLUG
t
PHLOG
(LTC4251B/LTC4251B-1)
TEMPERATURE (°C)
–55
I
TMR
(μA)
10
9
8
7
6
5
4
3
2
1
0
–15
25
45 125
4251b12 G22
–35 5
65
85
105
TEMPERATURE (°C)
–55
I
TMR
(mA)
50
45
40
35
30
25
20
15
10
–15
25
45 125
4251b12 G23
–35 5
65
85
105
TEMPERATURE (°C)
–55
I
TMR
(μA)
280
260
240
220
200
180
–15
25
45 125
4251b12 G24
–35 5
65
85
105
TEMPERATURE (°C)
–55
I
TMR
(μA)
10
9
8
7
6
5
4
3
2
1
0
–15
25
45 125
4251b12 G25
–35 5
65
85
105