LTC4065-4.4 Linear Technology, LTC4065-4.4 Datasheet - Page 4

• Manufacturer Part Number: LTC4065-4.4
• Description: Standalone 750mA Li-Ion Battery Charge
• Manufacturer: Linear Technology

www.DataSheet4U.com
LTC4065-4.4
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.02
1.01
1.00
0.98
4.40
0.99
4.44
4.42
4.38
4.36
200
175
150
125
100
75
50
25
0
–50
4
Battery Regulation (Float) Voltage
vs Charge Current
0
Charge Current vs Supply Voltage
(Constant-Current Mode)
PROG Pin Voltage vs Temperature
(Constant-Current Mode)
R
V
T
V
V
R
V
T
R
A
BAT
PROG
A
CC
BAT
PROG
CC
PROG
= 25°C
= 25°C
= 5V
–25
= 5V
= 3.8V
= 3.8V
100
= 10k
= 10k
= 2k
4.5
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
0
200
I
BAT
25
5
(mA)
300
50
5.5
W
400
75
4065 G04
4065 G07
4065 G01
U
100
500
6
600
500
400
300
200
100
4.44
4.42
4.40
4.38
4.36
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–50
0
0
Battery Regulation (Float) Voltage
vs Temperature
Charge Current vs Battery Voltage
PROG Pin Voltage
vs Charge Current
V
T
R
V
T
R
A
A
CC
PROG
CC
PROG
= 25°C
= 25°C
= 5V
= 5V
– 25
100
1
= 2k
= 2k
TEMPERATURE (°C)
0
200
2
I
BAT
V
BAT
25
(mA)
(V)
300
3
50
400
4
75
4065 G05
4065 G08
4065 G02
500
100
5
4.44
4.42
4.40
4.38
4.36
300
550
500
450
400
350
300
600
500
400
100
200
0
–50
–50
4
Regulated Output (Float) Voltage
vs Supply Voltage
Charge Current vs Temperature
with Thermal Regulation
(Constant-Current Mode)
Power FET On-Resistance
vs Temperature
V
I
V
I
R
V
V
R
BAT
BAT
CC
CC
PROG
CC
BAT
PROG
= 4V
= 400mA
= 5V
= 5V
= 2mA
–25
= 3.8V
LOOP IN OPERATION
THERMAL CONTROL
= 2k
= 2k
4.5
0
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
50
25
5
50
100
5.5
75
4065 G09
406544f
4065 G03
4065 G06
100
150
6