Datasheet

4
LTC1734
TYPICAL PERFOR A CE CHARACTERISTICS
UW
I
BAT2
vs Temperature
and Supply Voltage
I
BAT1
vs V
BAT
TEMPERATURE (°C)
–50
660
I
BAT2
(mA)
700
740
0
50
75
1734 G04
–25
25
100
125
R
PROG
= 2.15k
PNP = FCX589
V
CC
= 4.55V AND 8V
V
BAT
(V)
0
I
BAT1
(mA)
210
4
1734 G05
200
190
1
2
3
5
V
CC
= 5V
T
A
= 25°C
R
PROG
= 7.5k
PNP = FCX589
BAT PIN MUST BE DISCONNECTED
AND GROUNDED TO FORCE
CC MODE IN THIS REGION
I
BAT2
vs V
BAT
V
BAT
(V)
0
I
BAT2
(mA)
750
4
1734 G06
700
650
1
2
3
5
V
CC
= 5V
T
A
= 25°C
R
PROG
= 2.15k
PNP = FCX589
BAT PIN MUST BE DISCONNECTED
AND GROUNDED TO FORCE
CC MODE IN THIS REGION
Program Pin Pull-Up Current vs
Temperature and Supply Voltage
Program Pin Pull-Up Current
vs V
PROG
Program Pin Voltage
vs Charge Current (200mA)
TEMPERATURE (°C)
–50
I
PROGPU
(µA)
3.4
3.5
3.6
25 75
1734 G07
3.3
3.2
–25 0
50 100 125
3.1
3.0
V
PROG
= 2.5V
V
CC
= 8V
V
CC
= 4.55V
V
PROG
(V)
2
2.6
I
PROGPU
(µA)
2.8
3.0
3.2
3.4
3.6
3
456
1635 G08
78
V
CC
= 8V
T
A
= 25°C
I
BAT1
(mA)
0
V
PROG
(V)
0.8
1.0
1.2
200
1734 F09
0.6
0.4
0
50
100
150
0.2
1.6
1.4
V
CC
= 5V
T
A
= 25°C
R
PROG
= 7.5k
PNP = FCX589
LIMITS AT 25mV DUE TO
PROGRAMMING PIN PULL-UP
CURRENT (I
PROGPU
)
Program Pin Voltage
vs Charge Current (700mA)
Program Pin Voltage for I
BAT1
/10
vs Temperature and Supply Voltage
I
BAT2
(mA)
0
V
PROG
(V)
1.4
300
1734 G10
0.8
0.4
100 200 400
0.2
0
1.6
1.2
1.0
0.6
500 600 700
V
CC
= 5V
T
A
= 25°C
R
PROG
= 2.15k
PNP = FCX589
LIMITS AT 6mV DUE TO
PROGRAMMING PIN PULL-UP
CURRENT (I
PROGPU
)
TEMPERATURE (°C)
–50
140
V
PROG
(mV)
150
160
0
50
75
1734 G11
–25
25
100
125
R
PROG
= 7.5k
PNP = FCX589
V
CC
= 8V
V
CC
= 4.55V
Program Pin Voltage for I
BAT2
/10
vs Temperature and Supply Voltage
TEMPERATURE (°C)
–50
140
V
PROG
(mV)
150
160
0
50
75
1734 G12
–25
25
100
125
R
PROG
= 2.15k
PNP = FCX589
V
CC
= 8V
V
CC
= 4.55V