LTC2953IDD-2 データシートの表示（PDF） - Linear Technology
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LTC2953IDD-2 Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC2953
Supply Current vs Temperature
20
VIN = 27V
15
VIN = 3.3V
VIN = 2.7V
10
Supply Current vs Supply Voltage
20
TA = 25°C
18
16
14
12
5
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
2953 G01
Turn Off Interrupt Debounce Time
(tDB, OFF) vs VIN
50
TA = 25°C
40
30
10
0 5 10 15 20 25 30 35
VIN (V)
2953 G02
Forced Power Down Delay Time
(tPD, MIN + tPDT) vs PDT External
Capacitance
10000
TA = 25°C
VIN = 3.3V
1000
20
10
0
0 5 10 15 20
VIN (V)
PDT Pull-Up Current vs
Temperature
3.4
VIN = 3.3V
25 30
2953 G04
3.2
3.0
2.8
2.6
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
2953 G07
100
10
1
10
100
1000
PDT EXTERNAL CAPACITANCE (nF)
'#! / #
⎯P⎯B Current vs ⎯P⎯B Voltage
–300
TA = 25°C
VIN = 3.3V
–250
–200
–150
–100
–50
0
–10
0
10
20
PB VOLTAGE (V)
30
'#! / &
Turn On Debounce Time (tDB, ON)
vs VIN
50
TA = 25°C
40
30
20
10
0
0 5 10 15 20 25 30
VIN (V)
2953 G03
PDT Pull-Down Current vs
Temperature
–3.4
VIN = 3.3V
–3.2
–3.0
–2.8
–2.6
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
2953 G06
⎯P⎯B Voltage vs External ⎯P⎯B
Resistance to Ground
300
VIN = 3.3V
250
TA = 100°C
200
150
TA = –45°C
100
TA = 25°C
50
0
0
5
10
15
20
EXTERNAL PB RESISTANCE TO GROUND (kΩ)
'#! / '
2953f
5
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