LTC4050 LINER [Linear Technology], LTC4050 Datasheet - Page 4

• Manufacturer Part Number: LTC4050
• Description: Lithium-Ion Linear Battery Charger with Thermistor Interface
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
LTC4050
4
29.0
28.9
28.8
28.7
28.6
28.5
28.4
28.3
28.2
28.1
110
105
100
4.0
3.8
3.7
4.1
3.9
95
90
–50
–50
–50
Recharge Threshold Voltage
vs Temperature
Timer Accuracy vs Temperature
NTC R
vs Temperature
V
V
C
V
V
CC
CC
BAT
TIMER
CC
–25
–25
= 6V
–25
= 6V
= 6V
= 3V
COLD
= 0.1 F
0
TEMPERATURE ( C)
0
TEMPERATURE ( C)
0
TEMPERATURE ( C)
Threshold Voltage
LTC4050-4.1
LTC4050-4.2
25
25
25
50
50
50
75
75
75
W
100
100
LTC4050 G07
100
LTC4050 G10
LTC4050 G13
U
125
125
125
4.150
4.125
4.100
4.075
4.050
2.480
2.475
2.470
2.465
2.460
2.455
2.450
105
110
100
95
90
–50
4
NTC R
vs V
Timer Accuracy vs V
4
PROG Pin Voltage vs Temperature
V
R
V
C
T
T
A
A
CC
PROG
BAT
TIMER
= 25 C
–25
= 25 C
= 6V
CC
= 3V
5
= 19.6k
HOT
= 0.1 F
0
TEMPERATURE ( C)
Threshold Voltage
6
6
25
V
V
CC
CC
7
(V)
(V)
50
CC
8
8
75
100
9
LTC4050 G08
LTC4050 G11
LT4050 G14
125
10
10
28.60
28.55
28.50
28.45
28.40
4.16
4.14
4.08
4.04
4.12
4.10
4.06
2.50
2.49
2.48
2.47
2.45
2.46
–50
4
NTC R
vs Temperature
NTC R
vs V
4
V
T
PROG Pin Voltage vs V
CC
A
R
T
A
–25
PROG
= 25 C
= 6V
CC
= 25 C
HOT
COLD
= 19.6k
0
TEMPERATURE ( C)
Threshold Voltage
6
Threshold Voltage
6
25
V
V
CC
CC
(V)
50
(V)
8
75
8
CC
100
LTC4050 G12
LTC4050 G09
LTC4050 G15
125
10
10