LTC1733
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Battery Regulation Voltage vs
Battery Charge Current
Battery Regulation Voltage vs
Temperature
Battery Regulation Voltage vs VCC
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.08
4.06
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.08
4.06
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.08
4.06
V
T
= 5V
T
= 25°C
A
V
I
= 5V
CC
A
R
CC
BAT
R
= 25°C
I
= 10mA
= 1.5k
= 10mA
= 1.5k
BAT
R
PROG
V
SEL
= 5V
V
SEL
= 5V
V
SEL
= V
CC
= 1.5k
PROG
PROG
V
SEL
= 0V
V
SEL
= 0V
V
= 0V
SEL
6.0
400
I
5.5
(V)
0
100 200 300
500 600 700 800 900 1000
(mA)
25
TEMPERATURE(°C)
4.0
4.5
5.0
6.5
7.0
–50 –25
0
50
75 100 125
V
BAT
CC
1733 G01
1733 G03
1733 G02
PROG Pin Voltage vs Charge
Current
Charge Current vs Battery Voltage
Charge Current vs Input Voltage
1100
1000
900
800
700
600
500
400
300
200
100
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1100
1000
900
800
700
600
500
400
300
200
100
0
V
T
= 5V
V
T
= 5V
CC
A
CC
A
= 25°C
= 25°C
R
V
= 1.5k
R
V
= 1.5k
PROG
PROG
= 5V
= 5V
SEL
SEL
V
T
= 4.1V
BAT
A
R
= 25°C
= 1.5k
PROG
V
= 5V
SEL
4.0
4.5
5.0
5.5
(V)
6.0
6.5
7.0
400
0
0.5 1.0 1.5
2.5
(V)
3.5 4.0 4.5
3.0
0
100 200 300
500 600 700 800 900 1000
2.0
V
V
CHARGE CURRENT (mA)
CC
BAT
1733 G06
1733 G04
1733 G05
Charge Current vs Temperature
with Thermal Regulation
Charge Current vs Temperature
Charge Current vs VCC
1100
1000
900
800
700
600
500
400
535
530
525
520
515
510
505
500
495
490
485
480
475
470
465
1000
900
800
700
600
500
400
300
200
100
0
V
V
= 5V
CC
R
= 1.5k
PROG
= 4V
BAT
PROG
R
= 3k
V
= 5V
SEL
V
T
= 3.5V
BAT
A
SEL
THERMAL CONTROL
LOOP IN OPERATION
= 25°C
V
= V
CC
V
V
= 5V
CC
R
= 3k
PROG
= 3.5V
BAT
PROG
R
= 1.5k
V
= 5V
SEL
50
TEMPERATURE (°C)
100
4.0
4.5
5.0
5.5
6.0
6.5
7.0
–50
–25
0
25
75
–50
–25
0
25
50
75
100
V
(V)
TEMPERATURE (°C)
CC
1733 G07
1733 G09
1733 G08
sn1733 1733fs
4
Linear [ Linear ]
