Datasheet

LTC2955
5
2955f
TYPICAL PERFORMANCE CHARACTERISTICS
TMR Pull-Up Current
vs Temperature
EN Output High Voltage vs
Temperature
EN Output High Voltage vs Supply
Voltage
EN/EN Output Low Voltage vs
Temperature PB Input Current vs PB Voltage
PB Voltage vs External PB
Resistance to Ground
ON/KILL Threshold vs
Temperature
Turn-On Debounce Time
vs Temperature
Additional Turn-Off Debounce
Time vs TMR External Capacitance
V
IN
= 7V, T
A
= 25°C, unless otherwise noted.
TEMPERATURE (°C)
–50
t
DB(ON)
(ms)
30
32
31
36
33
0
50
75
2955 G05
35
34
–25
25
100
125
EXTERNAL PB RESISTANCE TO GROUND (k)
0
PB
VOLTAGE (mV)
0
50
100
150
300
200
10
20
2955 G12
250
4030
50
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
TEMPERATURE (°C)
–50
V
ON/KILL
(V)
0.790
0.795
0.810
0.800
0
50
75
2955 G04
0.805
–25
25
100
125
TEMPERATURE (°C)
–50
V
EN(VOH)
(V)
3.6
4.0
4.2
4.4
5.0
4.6
0
50
75
2955 G08
3.8
4.8
–25
25
100
125
TMR EXTERNAL CAPACITANCE (nF)
1
1
t
TMR
(ms)
100
10000
10 100 1000
2955 G06
10
1000
TEMPERATURE (°C)
–50
I
TMR(PU)
(µA)
–2.6
–2.8
–2.9
–3.0
–3.4
–3.1
0
50
75
2955 G07
–2.7
–3.2
–3.3
–25
25
100
125
V
IN
(V)
1
V
EN(VOH)
(V)
0.0
1.0
5.0
2.0
35
2955 G09
4.0
3.0
2
4
76
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
PB VOLTAGE (V)
–40
I
PB
(µA)
40
–40
–80
–200
–120
0
2955 G11
0
–160
–20
20
40
TEMPERATURE (°C)
–50
V
EN/EN(VOL)
(mV)
50
200
150
250
300
450
350
0
50
75
2955 G10
100
400
–25
25
100
125
V
IN
= 1.5V
V
IN
= 7V
I = 1mA