Kingbor Technology Co.,Ltd
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KB4540
PROG Pin Current vs PROG Pin
Voltage (Clamp Current)
0
–50
–100
I
PROG
(µA)
TYPICAL PERFORMANCE CHARACTERISTICS
PROG Pin Pull-Up Current vs
Temperature and Supply Voltage
3.7
3.5
V
CC
= 4.2V
3.3
I
PROG
(µA)
I
PROG
(µA)
PROG Pin Current vs PROG Pin
Voltage (Pull-Up Current)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
2.1
2.2
2.3
V
PROG
(V)
2.4
2.5
2.6
V
BAT
= 4.3V
V
PROG
= 0V
–150
–200
–250
–300
–350
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V
PROG
(V)
3.1
V
CC
= 6.5V
2.9
2.7
2.5
–50 –25
50
25
75
0
TEMPERATURE (°C)
100
125
0
2.0
–400
2.0
Regulated Output (Float) Voltage
vs Charge Current
4.26
4.24
4.22
V
FLOAT
(V)
Regulated Output (Float) Voltage
vs Temperature
4.215
4.215
V
CC
= 5V
R
PROG
= 10k
4.210
4.205
V
FLOAT
(V)
Regulated Output (Float) Voltage
vs Supply Voltage
T
A
= 25°C
R
PROG
= 10k
V
CC
= 5V
T
A
= 25°C
R
PROG
= 1.25k
4.210
4.205
V
FLOAT
(V)
4.20
4.18
4.16
4.14
4.12
4.10
0
100
200
300 400
I
BAT
(mA)
500
600
700
4.200
4.195
4.190
4.185
–50
4.200
4.195
4.190
4.185
–25
0
25
50
75
100
4.0
4.5
5.0
TEMPERATURE (°C)
5.5
V
CC
(V)
6.0
6.5
7.0
CHRG Pin I-V Curve
(Strong Pull-Down State)
25
20
18
20
16
I
CHRG
(mA)
CHRG Pin Current vs Temperature
(Strong Pull-Down State)
22
V
CC
= 5V
V
BAT
= 4V
V
CHRG
= 1V
20
18
I
CHRG
(µA)
CHRG Pin I-V Curve
(Weak Pull-Down State)
15
I
CHRG
(mA)
14
12
10
8
16
14
12
10
8
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
0
1
2
4
3
V
CHRG
(V)
5
6
7
10
5
V
CC
= 5V
V
BAT
= 4V
T
A
= 25°C
0
1
2
4
3
V
CHRG
(V)
5
6
7
6
4
–50 –25
0
25
50
75
100
125
0
TEMPERATURE (°C)
4
KINGBOR [ KINGBOR TECHNOLOGY CO ]
