ltc1731-8.4 Linear Technology Corporation, ltc1731-8.4 Datasheet - Page 4

• Manufacturer Part Number: ltc1731-8.4
• Description: Lithium-ion Linear Battery Charger Controller
• Manufacturer: Linear Technology Corporation

LTC1731-8.2/LTC1731-8.4
TYPICAL PERFOR A CE CHARACTERISTICS
4
4.94
4.93
4.92
4.91
4.90
520
510
500
490
480
–50
9
Battery Charge Current
vs V
Trickle Charge Threshold Voltage
vs Temperature
R
R
V
T
V
BAT
A
PROG
SENSE
CC
= 25
–25
CC
= 9V
= 6V
= 19.6K
= 0.2
0
TEMPERATURE ( C)
10
25
V
CC
(V)
50
11
75
W
100
1731 G03
1731 G09
U
125
12
2.470
2.465
2.460
2.455
2.450
540
530
520
510
500
490
480
470
460
110
105
100
95
90
–50
–50
9
Timer Accuracy vs V
Battery Charge Current
vs Temperature
Program Pin Voltage
vs Temperature
R
R
V
V
C
V
T
R
V
PROG
SENSE
BAT
CC
TIMER
BAT
A
CC
PROG
–25
–25
= 25
= 9V
= 9V
= 6V
= 6V
= 19.6K
= 19.6k
= 0.2
= 0.1 F
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
10
25
25
V
CC
(V)
50
50
CC
11
75
75
100
100
1731 G07
1731 G02
1731 G05
125
125
12
2.48
2.47
2.46
2.45
2.44
110
105
100
95
90
–50
9
Timer Accuracy vs Temperature
Program Pin Voltage
vs V
R
V
T
C
V
BAT
A
TIMER
CC
PROG
–25
= 25
= 9V
CC
= 6V
= 19.6K
= 0.1 F
0
TEMPERATURE ( C)
10
25
V
CC
(V)
50
11
75
sn1731 17318fs
100
1731 G04
1731 G10
125
12