LTC1422 Просмотр технического описания (PDF) - Linear Technology
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LTC1422 Datasheet PDF : 16 Pages
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LTC1422
TYPICAL PERFORMANCE CHARACTERISTICS
TIMER Threshold Voltage
vs Supply Voltage
1.244
TA = 25°C
1.242
1.240
1.238
1.236
1.234
1.232
2
4
6
8 10 12 14
SUPPLY VOLTAGE (V)
1422 G10
TIMER Threshold Voltage
vs Temperature
1.242
1.241
1.240
VCC = 12V
1.239
1.238
VCC = 5V
1.237
1.236
VCC = 3V
1.235
1.234
1.233
– 55 – 35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1422 G11
TIMER Current vs Supply Voltage
2.6
TA = 25°C
2.5
2.4
2.3
2.2
2.1
2.0
2
4
6
8 10 12 14
SUPPLY VOLTAGE (V)
1422 G12
TIMER Current vs Temperature
2.45
VCC = 5V
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
– 55 – 35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1422 G13
ON Pin Threshold Voltage
vs Supply Voltage
1.32
TA = 25°C
1.30
HIGH THRESHOLD
1.28
1.26
1.24
LOW THRESHOLD
1.22
1.20
2
4
6
8 10 12 14
SUPPLY VOLTAGE (V)
1422 G14
ON Pin Threshold Voltage
vs Temperature
1.38
VCC = 5V
1.36
1.34
INPUT HIGH
1.32
1.30
1.28
1.26
1.24
INPUT LOW
1.22
1.20
– 55 – 35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1422 G15
Current Limit Threshold
vs Temperature
85
VCC = 5V
80
75
70
65
60
55
50
45
40
– 55 – 35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1422 G17
RESET Pull-Up Current
vs Temperature
22
VCC = 5V
20
18
16
14
12
10
8
6
4
– 55 – 35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1422 G18
4
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