LTC1731-82 データシートの表示（PDF） - Linear Technology
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LTC1731-82 Datasheet PDF : 12 Pages
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LTC1731-8.2/LTC1731-8.4
TYPICAL PERFOR A CE CHARACTERISTICS
Trickle Charge Threshold Voltage
vs Temperature
4.94
VCC = 9V
4.93
Timer Accuracy vs VCC
110
CTIMER = 0.1µF
VBAT = 6V
TA = 25°
105
Timer Accuracy vs Temperature
110
CTIMER = 0.1µF
VCC = 9V
105
4.92
100
100
4.91
95
95
4.90
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1731 G03
Battery Charge Current
vs VCC
520
RPROG = 19.6K
RSENSE = 0.2Ω
VBAT = 6V
510 TA = 25°
500
490
480
9
10
11
VCC (V)
12
1731 G09
90
9
10
11
VCC (V)
12
1731 G05
Battery Charge Current
vs Temperature
540
RPROG = 19.6K
530 RSENSE = 0.2Ω
VBAT = 6V
520 VCC = 9V
510
500
490
480
470
460
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1731 G07
Program Pin Voltage
vs Temperature
2.470
RPROG = 19.6k
VCC = 9V
2.465
90
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1731 G04
Program Pin Voltage
vs VCC
2.48
RPROG = 19.6K
VBAT = 6V
TA = 25°
2.47
2.46
2.45
2.44
9
10
11
VCC (V)
12
1731 G10
2.460
2.455
4
2.450
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1731 G02
sn1731 17318fs
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