Datasheet

LT4256-1/LT4256-2
4
425612fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
GATE Pin Pull-Up Current
vs Temperature
GATE Pin Pull-Down Current
vs Temperature UV Pin Current vs UV Pin Voltage
V
GATE
– V
CC
Voltage
vs Temperature
TIMER Pin Currents
vs Temperature
V
GATE
– V
CC
Voltage
vs Temperature
TIMER Pin Currents vs V
CC
Timer Shutdown Threshold
vs Temperature
TEMPERATURE (°C)
–40
GATE PIN PULL-UP CURRENT (µA)
–35
–30
–20
0
4256 G07
–10
–25
–5
–15
–50
–25
0 255075100
TEMPERATURE (°C)
56
GATE PIN PULL-DOWN CURRENT (mA)
57
58
60
63
4256 G08
62
59
61
–50
–25
0 255075100
V
UV
(V)
0
–1.4
I
UV
(µA)
–1.2
–0.8
–0.6
–0.4
20 30 40
0.4
4256 G09
–1.0
12 4350
–0.2
0
0.2
TEMPERATURE (°C)
0
V
GATE
– V
CC
VOLTAGE (V)
6
8
4
2
14
12
4256 G10
10
V
CC
= 10.8V
V
CC
= 12V
V
CC
= 18V
–50
–25
0 25 50 75 100
TEMPERATURE (°C)
10.0
V
GATE
– V
CC
VOLTAGE (V)
10.5
11.0
12.0
14.0
4256 G11
13.0
13.5
11.5
12.5
V
CC
= 80V
V
CC
= 48V
V
CC
= 20V
–50
–25
0 25 50 75 100
V
CC
(V)
10
I
TIMER
(µA)
0
2.5
5.0
40 60
4256 G13
–80
–100
20 30
50 70 80
–120
–140
PULL-UP CURRENT
PULL-DOWN CURRENT
TEMPERATURE (°C)
0
TIMER SHUTDOWN THRESHOLD (V)
4.2
4.4
4.8
5.4
4256 G14
5.2
4.6
5.0
–50
–25
0 25 50 75 100
Specifications are at T
A
= 25°C unless
otherwise noted.
TEMPERATURE (°C)
–50
–140
I
TIMER
(µA)
–120
–100
–80
0
10
–25
02550
4256 G12
75 100
5
PULL-DOWN CURRENT
PULL-UP CURRENT