LTC2912 데이터 시트보기 (PDF) - Linear Technology
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LTC2912 Datasheet PDF : 12 Pages
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LTC2912
TIMING DIAGRAMS
VH Monitor Timing
VH VUOT
tUOD
tUOTO
UV
1V
2912 TD01
VH Monitor Timing (TMR Pin Strapped to VCC)
VH VUOT
tUOD
UV
1V
tUOD
2912 TD03
VL Monitor Timing
VL VUOT
tUOD
tUOTO
OV
1V
2912 TD02
VL Monitor Timing (TMR Pin Strapped to VCC)
VL VUOT
OV
1V
tUOD
tUOD
2912 TD04
TYPICAL PERFORMANCE CHARACTERISTICS
Input Threshold Voltage
vs Temperature
0.505
0.504
0.503
0.502
0.501
0.500
0.499
0.498
0.497
0.496
0.495
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2912 G01
VCC Shunt Voltage vs ICC
6.75
6.65
6.55
6.45
–40°C
6.35
25°C
85°C
6.25
–2 0
2 46
8 10 12
ICC (mA)
2912 G04
Supply Current vs Temperature
45
40
VCC = 5V
35
VCC = 3.3V
30
25
VCC = 2.3V
20
15
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2912 G02
Typical Transient Duration vs
Comparator Overdrive
700
600
500
RESET OCCURS
ABOVE CURVE
400
300
200
VCC = 6V
100
VCC = 2.3V
50
0.1
1
10
100
COMPARATOR OVERDRIVE PAST THRESHOLD (%)
2912 G05
4
VCC Shunt Voltage
vs Temperature
6.8
6.7
10mA
6.6
5mA
6.5
2mA
6.4
1mA
6.3
200μA
6.2
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
2912 G03
UV Output Voltage vs VCC
0.8
0.6
VCC
0.4
0.2
0
0
UV WITHOUT
PULL-UP
UV WITH
10k PULL-UP
0.2 0.4 0.6 0.8
1
SUPPLY VOLTAGE, VCC (V)
2912 G06
2912fa
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