Datasheet

LTC2953
5
2953f
TEMPERATURE (°C)
–50
5
I
VIN
(μA)
10
15
20
–25 0 25 50
2953 G01
75 100
V
IN
= 27V
V
IN
= 3.3V
V
IN
= 2.7V
V
IN
(V)
05
10
I
VIN
(μA)
14
20
10
20
25
2953 G02
12
18
16
15
30
35
T
A
= 25°C
V
IN
(V)
0
0
t
DB, ON
(ms)
10
20
30
40
50
5
10 15 20
2953 G03
25 30
T
A
= 25°C
V
IN
(V)
0
0
t
DB, OFF
(ms)
10
20
30
40
50
5
10 15 20
2953 G04
25 30
T
A
= 25°C
PDT EXTERNAL CAPACITANCE (nF)
1
10
t
PD,MIN
+ t
PDT
(ms)
100
1000
10000
10 100 1000
T
A
= 25°C
V
IN
= 3.3V
TEMPERATURE (°C)
PDT PULL-DOWN CURRENT (μA)
2953 G06
–50
–2.6
–2.8
–3.0
–3.2
–3.4
–25 0 25 50 75 100
V
IN
= 3.3V
TEMPERATURE (°C)
PDT PULL-UP CURRENT (μA)
2953 G07
–50
2.6
2.8
3.0
3.2
3.4
–25 0 25 50 75 100
V
IN
= 3.3V
PB VOLTAGE (V)
–10
0
PB CURRENT (μA)
–50
–100
–150
–200
–250
–300
0102030
T
A
= 25°C
V
IN
= 3.3V
EXTERNAL PB RESISTANCE TO GROUND (kΩ)
0
0
PB VOLTAGE (mV)
50
100
150
200
250
300
5101520
V
IN
= 3.3V
T
A
= 100°C
T
A
= –45°C
T
A
= 25°C
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature Supply Current vs Supply Voltage
Turn On Debounce Time (t
DB, ON
)
vs V
IN
Turn Off Interrupt Debounce Time
(t
DB, OFF
) vs V
IN
Forced Power Down Delay Time
(t
PD, MIN
+ t
PDT
) vs PDT External
Capacitance
PDT Pull-Down Current vs
Temperature
PDT Pull-Up Current vs
Temperature
⎯
P
⎯
B Current vs
⎯
P
⎯
B Voltage
⎯
P
⎯
B Voltage vs External
⎯
P
⎯
B
Resistance to Ground