Datasheet

4
LTC4050
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–50
28.1
R
COLD
(kΩ)
28.2
28.4
28.5
28.6
50
29.0
LTC4050 G13
28.3
0
–25
75 100
25 125
28.7
28.8
28.9
V
CC
= 6V
V
CC
(V)
4
R
HOT
(kΩ)
4.100
4.125
10
LT4050 G14
4.075
4.050
6
8
4.150
T
A
= 25°C
V
CC
(V)
4
R
COLD
(kΩ)
28.50
28.55
10
LTC4050 G15
28.45
28.40
6
8
28.60
T
A
= 25°C
TEMPERATURE (°C)
–50
90
TIMER (%)
95
100
105
110
–25 0 25 50
LTC4050 G10
75 100 125
V
CC
= 6V
V
BAT
= 3V
C
TIMER
= 0.1µF
V
CC
(V)
4
90
TIMER (%)
95
100
105
110
5678
LTC4050 G11
910
V
BAT
= 3V
C
TIMER
= 0.1µF
T
A
= 25°C
TEMPERATURE (°C)
–50
R
HOT
(kΩ)
4.12
4.14
4.16
25 75
LTC4050 G12
4.10
4.08
–25 0
50 100 125
4.06
4.04
V
CC
= 6V
Timer Accuracy vs Temperature Timer Accuracy vs V
CC
NTC R
HOT
Threshold Voltage
vs Temperature
NTC R
COLD
Threshold Voltage
vs Temperature
NTC R
HOT
Threshold Voltage
vs V
CC
NTC R
COLD
Threshold Voltage
vs V
CC
TEMPERATURE (°C)
–50
3.7
V
RECHRG
(V)
3.8
3.9
4.0
4.1
–25 0 25 50
LTC4050 G07
75 100 125
LTC4050-4.1
LTC4050-4.2
V
CC
= 6V
TEMPERATURE (°C)
–50
V
PROG
(V)
2.470
2.475
2.480
25 75
LTC4050 G08
2.465
2.460
–25 0
50 100 125
2.455
2.450
V
CC
= 6V
R
PROG
= 19.6k
V
CC
(V)
4
V
PROG
(V)
2.47
2.48
LTC4050 G09
2.46
2.45
6
8
10
2.50
2.49
R
PROG
= 19.6k
T
A
= 25°C
Recharge Threshold Voltage
vs Temperature
PROG Pin Voltage vs Temperature
PROG Pin Voltage vs V
CC