Datasheet

LTC1730-4/LTC1730-4.2
4
sn1730 1730fs
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
CC
(V)
5
I (mA)
50
45
40
35
30
25
20
810
1730 G01
67
91112
T
A
= 25°C
TEMPERATURE (°C)
–50
V
TRIKL
(V)
2.50
2.48
2.46
2.44
2.42
2.40
25 75
1730 G02
–25 0
50
100 125
V
CC
= 6V
TEMPERATURE (°C)
–50 25 75
1730 G03
–25 0
50
100 125
I (mA)
50
45
40
35
30
25
20
V
CC
= 6V
Trickle Charge Current vs Input
Supply Voltage
Trickle Charge Current vs
Temperature
Trickle Charge Threshold Voltage
vs Temperature
TEMPERATURE (°C)
–50 25 75
1730 G05
–25 0
50
100 125
R
DS(ON)
(Ω)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
V
BAT
= 4V
TEMPERATURE (°C)
–50 25 75
1730 G06
–25 0
50
100 125
t
TIMER
(%)
115
110
105
100
95
90
85
80
V
CC
= 6V
C
TIMER
= 0.1µF
TEMPERATURE (°C)
–50 25 75
1730 G07
–25 0
50
100 125
I
MAX
(A)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
V
CC
= 6V
R
SEN
= 0.1Ω
TEMPERATURE (°C)
–50 25 75
1730 G08
–25 0
50
100 125
V
CHRG
(V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Timer Accuracy vs Temperature
Internal Switch On-Resistance vs
Temperature
Overcurrent vs Temperature
CHRG Pin Output Low Voltage vs
Temperature
Battery Recharge Threshold Offset
from V
BAT
vs Temperature
TEMPERATURE (°C)
–50 25 75
1730 G09
–25 0
50
100 125 150
∆V
RECHRG
(mV)
300
250
200
150
100
50
0
V
CC
= 6V