Datasheet

LTC4095
4
4095fa
TYPICAL PERFORMANCE CHARACTERISTICS
Battery Regulation (Float)
Voltage vs Battery Charge Current
Battery Regulation (Float)
Voltage vs Temperature
Charge Current vs Supply Voltage
(Constant Current Mode)
T
A
= 25°C, unless otherwise noted.
Charge Current vs Battery Voltage
Charge Current vs Ambient
Temperature with Thermal
Regulation
PROG Pin Voltage vs Charge
Current
Power FET On-Resistance vs
Temperature
I
BAT
(mA)
0
V
BAT
(V)
4.21
4.23
4.25
800
4095 G01
4.19
4.17
4.20
4.22
4.24
4.18
4.16
4.15
200
400
600
1000
IN = 5V
R
PROG
= 0.845k
HPWR = 5V
TEMPERATURE (°C)
–55
V
BAT
(V)
4.215
5
4095 G02
4.200
4.190
–35 –15 25
4.185
4.210
4.205
4.195
45 65 85
IN (V)
4.3
440
I
BAT
(mA)
450
470
460
490
480
500
4.5 4.7 4.9 5.1
4095 G03
5.3 5.5
IN = 5V
R
PROG
= 1.74k
HPWR = 5V
BAT (V)
2
0
I
BAT
(mA)
100
200
300
400
500
600
2.5 3 3.5 4
2400 G31
4.5
IN = 5V
R
PROG
= 1.74k
HPWR = 5V
HPWR = 0V
TEMPERATURE (°C)
–50
0
I
BAT
(mA)
50
150
200
250
500
350
0
50
75
4095 G05
100
400
450
300
–25 25
100
125
150
IN = 5V
BAT = 3.8V
R
PROG
= 1.74k
HPWR = 5V
I
BAT
(mA)
0
PROG (V)
0.6
0.8
1.0
400
4095 G06
0.4
0.2
0
100
200
300
500
IN = 5V
R
PROG
= 1.74k
HPWR = 5V
PROG Pin Voltage vs PROG Pin
Resistance (Constant Current Mode)
R
PROG
(kΩ)
PROG (V)
1.0
1.5
8
4095 G07
0.5
0
2
4
5
10
2.0
6
1
3
9
7
IN = 5V
BAT = 3.8V
HPWR = 5V
TEMPERATURE (°C)
–55
R
ON
(mΩ)
400
500
600
700
545
300
–35 –15
25 65 85
IN = 4V
I
BAT
= 200mA
Complete Charge Cycle
(2400mAh Battery)
TIME (HOUR)
0
I
BAT
(mA)BAT (V)CHRG (V)
5.0
200
0
400
800
600
1000
35
4095 G18
3.5
3.0
5.0
4.5
4.0
3.0
4.0
1.0
2.0
0
12 4 6
IN = 5V
R
PROG
= 0.845k
HPWR = 5V