Datasheet

LTC2950-1/LTC2950-2
4
295012fd
TEMPERATURE (°C)
–50
I
VIN
(µA)
10
8
6
4
2
0
–25
0 25 50
2950 G01
75 100
V
IN
= 26.4V
V
IN
= 3.3V
V
IN
= 2.7V
0
5
10 15 20 25 30
V
IN
(V)
I
VIN
(µA)
10
8
6
4
2
0
2950 G02
T
A
= 25°C
2950 G03
V
IN
(V)
0
0
t
DB, ON
(ms)
10
20
30
40
50
5
10 15 20
25 30
T
A
= 25°C
Supply Current vs Temperature Supply Current vs Supply Voltage
Internal Default Turn On
Debounce Time (t
DB, ON
) vs V
IN
1
t
DB, ON
+ t
ONT
(ms)
100
1000
1000
2950 G04
10
10
100
10000
T
A
= 25°C
V
IN
= 3.3V
ONT EXTERNAL CAPACITOR (nF)
TEMPERATURE (°C)
–50
–25
0 25 50 75 100
ONT PULL-DOWN CURRENT (µA)
2950 G05
–3.4
–3.2
–3.0
–2.8
–2.6
V
IN
= 26.4V
V
IN
= 2.7V
V
IN
(V)
0
t
DB, OFF
(ms)
5 10 15 20
2950 G06
25 30
50
40
30
20
10
0
T
A
= 25°C
2950 G07
1
t
DB, OFF
+ t
OFFT
(ms)
100
1000
1000
10
10
100
10000
T
A
= 25°C
V
IN
= 3.3V
OFFT EXTERNAL CAPACITOR (nF)
2950 G08
TEMPERATURE (°C)
–50
–25
0 25 50 75 100
OFFT PULL-DOWN CURRENT (µA)
–3.4
–3.2
–3.0
–2.8
–2.6
V
IN
= 26.4V
V
IN
= 2.7V
PB CURRENT (µA)
2950 G09
–10 0 10
20
30–5 5
15
25
–250
–200
–150
–100
–50
0
PB VOLTAGE (V)
T
A
= 25°C
V
IN
= 3.3V
Turn On Debounce Time (t
DB, ON
+ t
ONT
) vs ONT External Capacitor
ONT Pull-Down Current
vs Temperature
Internal Default Turn Off
Debounce Time (t
DB, OFF
) vs V
IN
Turn Off Debounce Time (t
DB, OFF
+ t
OFFT
) vs OFFT External Capacitor
OFFT Pull-Down Current
vs Temperature
PB Current vs PB Voltage
Typical perForMance characTerisTics