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LTC1731-4.1 データシートの表示(PDF) - Linear Technology
部品番号
コンポーネント説明
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LTC1731-4.1
Single Cell Lithium-Ion Linear Battery Charger Controllers
Linear Technology
LTC1731-4.1 Datasheet PDF : 12 Pages
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LTC1731-4.1/LTC1731-4.2
TYPICAL PERFOR A CE CHARACTERISTICS
Trickle Charge Threshold Voltage
vs Temperature
2.470
V
CC
= 6V
2.465
Timer Accuracy vs Input Supply
110
V
BAT
= 3V
C
TIMER
= 0.1
µ
F
T
A
= 25
°
C
105
Trickle Charge Current
vs Temperature
60
R
PROG
= 19.6k
R
SENSE
= 0.2
Ω
V
BAT
= 2V
55
V
CC
= 6V
2.460
100
50
2.455
95
45
2.450
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (
°
C)
1731 G04
90
4
6
Battery Charge Current
vs Temperature
540
R
PROG
= 19.6k
530
R
SENSE
= 0.2
Ω
V
BAT
= 3V
520
V
CC
= 6V
510
500
490
480
470
460
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (
°
C)
1731 G07
Program Pin Voltage
vs Input Supply
2.480
R
PROG
= 19.6k
2.475
V
BAT
= 3V
T
A
= 25
°
C
2.470
2.465
2.460
2.455
2.450
2.445
2.440
4
6
8
V
CC
(V)
10
12
1731 G09
8
V
CC
(V)
10
12
1731 G05
40
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (
°
C)
1731 G06
Trickle Charge Threshold Voltage
vs Input Supply
2.480
R
PROG
= 19.6k
2.475
T
A
= 25
°
C
2.470
2.465
2.460
2.455
2.450
2.445
2.440
4
6
8
10
12
V
CC
(V)
1731 G08
Battery Charge Current
vs Input Supply
520
R
PROG
= 19.6k
515
R
SENSE
= 0.2
Ω
V
BAT
= 3V
510
T
A
= 25
°
C
505
500
495
490
485
480
4
6
8
10
12
V
CC
(V)
1731 G10
4
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