LTC1733 Linear Technology, LTC1733 Datasheet - Page 4

• Manufacturer Part Number: LTC1733
• Description: Monolithic Linear Lithium-Ion Battery Charger with Thermal Regulation
• Manufacturer: Linear Technology

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