LTC4065L/
LTC4065LX/LTC4065L-4.1
TYPICAL PERFORMANCE CHARACTERISTICS
Battery Regulation (Float) Voltage
vs Battery Charge Current
4.24 V = 5V
CC
T
A
= 25°C
4.22
R
PROG
= 800Ω
4.20
LTC4065L
4.18
V
FLOAT
(V)
V
FLOAT
(V)
4.16
4.14
4.12
4.10
4.08
4.06
0
50
100
150
I
BAT
(mA)
200
250
4065L G01
Battery Regulation (Float) Voltage
vs Temperature
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
LTC4065L
4.18
V
FLOAT
(V)
4.16
4.14
4.12
4.10
LTC4065L-4.1
4.08
– 25
50
25
TEMPERATURE (°C)
0
75
100
4065L G02
Battery Regulation (Float) Voltage
vs Supply Voltage
4.24
4.22
4.20
T
A
= 25°C
I
BAT
= 2mA
R
PROG
= 800Ω
LTC4065L
LTC4065L-4.1
4.08
4.06
–50
LTC4065L-4.1
4.06
4
5
4.5
5.5
SUPPLY VOLTAGE (V)
6
4065L G03
Charge Current vs Supply Voltage
(Constant Current Mode)
30
25
20
I
BAT
(mA)
I
BAT
(mA)
15
10
5
0
4
4.5
5
5.5
SUPPLY VOLTAGE (V)
6
4065L G04
Charge Current vs Battery Voltage
300
250
200
I
BAT
(mA)
150
100
50
0
0
1
2
LTC4065L-4.1
3
V
BAT
(V)
4
5
4065L G05
Charge Current vs Temperature
with Thermal Regulation
(Constant Current Mode)
300
R
PROG
= 13.3k
V
BAT
= 3.8V
T
A
= 25°C
V
CC
= 5V
T
A
= 25°C
R
PROG
= 800Ω
LTC4065L
250
200
150
100
50
V
CC
= 5V
V
BAT
= 3.8V
R
PROG
= 800Ω
0
100
50
TEMPERATURE (°C)
150
4065L G06
THERMAL CONTROL
LOOP IN OPERATION
0
–50
PROG Pin Voltage vs Temperature
(Constant Current Mode)
1.02
V
CC
= 5V
V
BAT
= 3.8V
R
PROG
= 13.3k
1.2
1.0
0.8
V
PROG
(V)
V
PROG
(V)
1.00
0.6
0.4
0.99
0.2
0.98
–50
0
PROG Pin Voltage
vs Charge Current
V
CC
= 5V
T
A
= 25°C
R
PROG
= 800Ω
2.0
Power FET On Resistance
vs Temperature
V
CC
= 4V
I
BAT
= 150mA
1.01
R
DS
(Ω)
0
50
100
150
I
BAT
(mA)
200
250
4065L G08
1.8
1.6
1.4
1.2
–25
50
25
0
TEMPERATURE (°C)
75
100
4065L G07
1.0
–50
–25
0
25
50
TEMPERATURE (°C)
75
100
4065L G09
4065lfb
5
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
