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LTC1998 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC1998
Description  SOT-23 Comparator and Voltage Reference for Battery Monitoring
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1998 Datasheet(HTML) 4 Page - Linear Technology

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LTC1998
4
1998fb
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Supply Current
vs Supply Voltage
Quiescent Supply Current
vs Temperature
Threshold Voltage
vs Threshold Adjust Voltage
Available Hysteresis
vs Threshold Voltage
Threshold Voltage Error
vs Temperature
Input Current vs Temperature
SUPPLY VOLTAGE (V)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1998 G01
TA = 25°C
VLOGIC = VBATT
VTH.A = 0V
VTH.A = 1.5V
TEMPERATURE (°C)
–50
–30
–10
10
30
50
70
90
1998 G02
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
VBATT = VLOGIC = 3V
VTH.A = 1.5V
THRESHOLD ADJUST VOLTAGE (V)
0
3.5
3.0
2.5
1998 G03
0.5
1.0
1.5
LOW BATTERY THRESHOLD VOLTAGE (V)
2.5
750
500
250
0
1998 G04
2.75
3.0
3.25
TEMPERATURE (°C)
–45
15
55
1998 G05
–25
–5
35
75
95
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VTH.A SET BY 1%
EXTERNAL R,
THRESHOLD = 3V
VTH.A =1V
THRESHOLD = 3V
VTH.A SHORTED
TO GROUND,
THRESHOLD = 2.5V
TEMPERATURE (°C)
35
0.1
1
100
1000
10000
55
75
85
125
1998 G06
10
45
65
95 105 115
VIN = 1.5V
VIN = 0.5V
VIN = 1V



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