ltc4002 Linear Technology Corporation, ltc4002 Datasheet - Page 5

• Manufacturer Part Number: ltc4002
• Description: Standalone Li-ion Switch Mode Battery Charger
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
510
500
490
180
140
100
190
150
110
– 50
– 50
5
CHRG Pin Output Low Voltage
vs Temperature
Recharge Voltage Offset
Per Cell from Full Charged
Voltage vs Temperature
Oscillator Frequency vs V
I
LOAD
– 25
– 25
= 1mA
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
V
CC
15
(V)
50
50
75
75
20
W
CC
100
100
4002 G04
4002 G07
4002 G10
U
125
125
25
160
150
140
29
25
21
8
7
6
5
4
– 50
– 50
5
Undervoltage Lockout Threshold
vs Temperature
CHRG Pin Weak Pull-Down
Current vs Temperature
Recharge Voltage Offset from Full
Charged Voltage vs V
LTC4002-4.2
V
V
CC
CHRG
– 25
– 25
RISING
= 8V
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
V
CC
LTC4002-4.2
15
(V)
50
50
CC
LTC4002-8.4
75
75
20
100
100
T
4002 G11
4002 G05
4002 G08
A
= 25°C, V
125
125
25
CC
130
150
140
320
300
280
28
25
22
= 10V unless otherwise noted.
5
5
CHRG Pin Output Low Voltage
vs V
CHRG Output Pin Weak Pull-Down
Current vs V
Recharge Voltage Offset from Full
Charged Voltage vs V
5
I
LTC4002-8.4
V
LOAD
CHRG
CC
= 1mA
= 8V
10
10
10
CC
V
V
V
CC
CC
CC
LTC4002
15
15
15
(V)
(V)
(V)
CC
20
20
20
4002 G09
4002 G06
4002 G12
5
4002f
25
25
25