Datasheet

4
LTC4054-4.2/LTC4054X-4.2
405442xf
TEMPERATURE (°C)
–50
I
PROG
(µA)
3.7
3.5
3.3
3.1
2.9
2.7
2.5
25 75
4054 G04
–25 0
50 100 125
V
PROG
(V)
I
PROG
(µA)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4054 G05
2.0
2.1
2.2 2.3 2.4 2.5 2.6
V
PROG
(V)
2.0
I
PROG
(µA)
5.0
4054 G06
3.0 4.0
0
–50
–100
–150
–200
–250
–300
–350
–400
2.5 3.5 4.5 5.5
TEMPERATURE (°C)
–50
V
FLOAT
(V)
V
FLOAT
(V)
V
FLOAT
(V)
100
4054 G07
050
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
–25 25 75
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4054 G08
I
BAT
(mA)
0
100
200 300 400 500 700600
V
CC
(V)
4.0
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.5
5.0 5.5 6.0
4054 G09
6.5 7.0
TEMPERATURE (°C)
–50
I
CHRG
(mA)
100
4054 G11
050
20
18
16
14
12
10
8
6
4
–25 25 75 125
0
22
20
18
16
14
12
10
8
35
4054 G12
12
467
V
CHRG
(V)
0
I
CHRG
(mA)
25
20
15
10
5
0
2
4
5
4054 G10
1
3
6
7
V
BAT
= 4.3V
V
PROG
= 0V
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
V
CC
= 6.5V
V
CC
= 4.2V
V
CC
= 5V
T
A
= 25°C
R
PROG
= 1.25k
V
CC
= 5V
R
PROG
= 10k
T
A
= 25°C
R
PROG
= 10k
V
CC
= 5V
V
BAT
= 4V
T
A
= 25°C
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
V
CC
= 5V
V
BAT
= 4V
V
CHRG
= 1V
V
CHRG
(V)
I
CHRG
(µA)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
PROG Pin Pull-Up Current vs
Temperature and Supply Voltage
PROG Pin Current vs PROG Pin
Voltage (Pull-Up Current)
PROG Pin Current vs PROG Pin
Voltage (Clamp Current)
Regulated Output (Float) Voltage
vs Charge Current
Regulated Output (Float) Voltage
vs Temperature
Regulated Output (Float) Voltage
vs Supply Voltage
CHRG Pin I-V Curve
(Strong Pull-Down State)
CHRG Pin Current vs Temperature
(Strong Pull-Down State)
CHRG Pin I-V Curve
(Weak Pull-Down State)