LTC1647-3 查看數據表（PDF） - Linear Technology
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LTC1647-3 Datasheet PDF : 20 Pages
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LTC1647-1/LTC1647-2/LTC1647-3
TYPICAL PERFOR A CE CHARACTERISTICS
Undervoltage Lockout Threshold
vs Temperature
2.6
2.5
RISING EDGE
2.4
2.3
FALLING EDGE
2.2
2.1
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1647-1/2/3 G19
FAULT VOL vs VCC
2.0
1.8 TA = 25°C
1.6
1.4
1.2
1.0
IOL = 5mA
0.8
0.6
0.4
0.2
IOL = 1mA
0
0 2 4 6 8 10 12 14 16 18 20
VCC (V)
1647-1/2/3 G22
ON Threshold Voltage vs VCC
1.35
TA = 25°C
1.30
HIGH
1.25
LOW
1.20
1.15
0 2 4 6 8 10 12 14 16 18 20
VCC (V)
1647-1/2/3 G20
FAULT VOL vs Temperature
2.0
1.8 VCC = 5V
1.6
1.4
1.2
1.0
IOL = 5mA
0.8
0.6
0.4
0.2
IOL = 1mA
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1647-1/2/3 G23
TFAULT vs Temperature
1.0
0.8
0.6
VCC = 3V
0.4
VCC = 5V VCC = 12V
0.2
VCC = 15V
0
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1647-1/2/3 G25
Circuit Breaker Reset Time vs VCC
70
TA = 25°C
60
50
40
30
0 2 4 6 8 10 12 14 16 18 20
VCC (V)
1647-1/2/3 G26
ON Threshold Voltage vs
Temperature
1.35
VCC = 5V
1.30
HIGH
1.25
LOW
1.20
1.15
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1647-1/2/3 G21
TFAULT vs VCC
1.0
TA = 25°C
0.8
0.6
0.4
0.2
0
0 2 4 6 8 10 12 14 16 18 20
VCC (V)
1647-1/2/3 G24
Circuit Breaker Reset Time vs
Temperature
60
58
56
VCC = 3V
54
52
50 VCC = 5V
48
VCC = 12V
46
VCC = 15V
44
42
40
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1647-1/2/3 G27
6
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