Datasheet

4
LTC1731-8.2/LTC1731-8.4
sn1731 17318fs
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–50
t
TIMER
(%)
100
1731 G04
050
110
105
100
95
90
–25 25 75 125
C
TIMER
= 0.1µF
V
CC
= 9V
V
CC
(V)
9
t
TIMER
(%)
10 11 12
1731 G05
110
105
100
95
90
C
TIMER
= 0.1µF
V
BAT
= 6V
T
A
= 25°
V
CC
(V)
9
I
BAT
(mA)
10 11 12
1731 G09
520
510
500
490
480
R
PROG
= 19.6K
R
SENSE
= 0.2Ω
V
BAT
= 6V
T
A
= 25°
V
CC
(V)
9
V
PROG
(V)
10 11 12
1731 G10
2.48
2.47
2.46
2.45
2.44
R
PROG
= 19.6K
V
BAT
= 6V
T
A
= 25°
Timer Accuracy vs Temperature
Timer Accuracy vs V
CC
Battery Charge Current
vs Temperature
Battery Charge Current
vs V
CC
Program Pin Voltage
vs V
CC
I
BAT
(mA)
540
530
520
510
500
490
480
470
460
TEMPERATURE (°C)
–50 100
1731 G07
050–25 25 75 125
R
PROG
= 19.6K
R
SENSE
= 0.2Ω
V
BAT
= 6V
V
CC
= 9V
TEMPERATURE (°C)
–50
V
PROG
(V)
100
1731 G02
050
2.470
2.465
2.460
2.455
2.450
–25 25 75 125
R
PROG
= 19.6k
V
CC
= 9V
TEMPERATURE (°C)
–50
V
TRKL
(V)
100
1731 G03
050
4.94
4.93
4.92
4.91
4.90
–25 25 75 125
V
CC
= 9V
Trickle Charge Threshold Voltage
vs Temperature
Program Pin Voltage
vs Temperature