Datasheet

LTC4062
4
4062fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Battery Regulated Output (Float)
Voltage vs Charge Current
PROG Pin Voltage vs Temperature
(Constant-Current Mode)
Charge Current vs PROG
Pin Voltage
PROG Pin Voltage vs V
CC
(Constant-Current Mode)
Trickle Charge Current vs
Temperature Charge Current vs Battery Voltage
Trickle Charge Threshold Voltage
vs Temperature
Battery Regulated Output (Float)
Voltage vs Temperature
Battery Regulated Output (Float)
Voltage vs Supply Voltage
CHARGE CURRENT (mA)
0
600
1000
4062 G01
200 400 800
4.26
4.24
4.22
4.20
4.18
V
FLOAT
(V)
4.16
4.14
4.12
4.10
TEMPERATURE (°C)
–50
V
FLOAT
(V)
4.215
4.210
4.205
4.200
4.195
4.190
4.185
–25
02550
4062 G02
75 100
–50
–25
0 25 50 75 100
–50
–25
0 25 50 75 100
TEMPERATURE (°C)
V
PROG
(V)
4062 G05
1.006
1.004
1.002
1.000
0.998
0.996
0.994
V
PROG
(V)
0
I
BAT
(mA)
1200
1000
800
600
400
200
0
0.2
0.4 0.6 0.8
4062 G04
1.0 1.2
TEMPERATURE (°C)
I
TRICKLE
(mA)
84
82
80
78
76
4062 G07
–50
–25
0 25 50 75 100
TEMPERATURE (°C)
V
TRICKLE
(V)
2.96
2.94
2.92
2.90
2.88
2.86
2.84
4062 G08
V
BAT
(V)
3.0
I
BAT
(mA)
550
450
350
250
150
50
3.8
4062 G09
3.2
3.4
3.6
4.0
V
CC
= 5V
R
PROG
= 1k
V
CC
= 5V
R
PROG
= 10k
R
PROG
= 10k
C/5 = V
CC
V
CC
= 5V
V
BAT
= 2.5V
R
PROG
= 1.25k
V
CC
= 5V
R
PROG
= 1.25k
V
CC
= 5V
R
PROG
= 1k
C/5 = 5V
V
TIMER
= 5V
V
CC
= 5V
R
PROG
= 2k
V
CC
= 4.3V
V
CC
= 8V
C/5 = 5V
C/5 = 0V
4062 G03
V
CC
(V)
4.0
V
FLOAT
(V)
8.0
5.0
6.0
7.0
4.5
5.5
6.5
7.5
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
R
PROG
= 1k
T
A
= 25°C
I
BAT
= 10mA
4062 G06
V
CC
(V)
4.0
V
PROG
(V)
8.0
5.0
6.0
7.0
1.006
1.004
1.002
1.000
0.998
0.996
0.994
4.5 5.5 6.5
7.5
V
CC
= 5V
V
BAT
= 4V
R
PROG
= 10k
C/5 = 5V
T
A
= 25°C unless otherwise noted.