Datasheet

LTC4054L-4.2
4
4054l42fa
Typical perForMance characTerisTics
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)
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)
TEMPERATURE (°C)
50
I
PROG
(µA)
3.3
3.5
25 75
4054L G04
3.1
2.9
–25 0
50 100 125
2.7
2.5
V
BAT
= 4.3V
V
PROG
= 0V
V
CC
= 6.5V
V
CC
= 4.2V
V
PROG
(V)
2.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.3 2.5
4054L G05
2.1 2.2
2.4 2.6
I
PROG
(µA)
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
V
PROG
(V)
2
I
PROG
(µA)
–50
3.5
4054L G06
–200
–300
2.5 3 4
–350
–400
0
–100
–150
–250
4.5 5 5.5
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C
I
BAT
(mA)
0
4.14
V
FLOAT
(V)
4.16
4.18
4.20
4.22
4.26
30
60 90 120
4054L G07
150 180
4.24
V
CC
= 5V
R
PROG
= 600Ω
T
A
= 25°C
TEMPERATURE (°C)
50
4.185
V
FLOAT
(V)
4.190
4.195
4.200
4.205
4.215
25
0 25 50
4054L G08
75 100
4.210
V
CC
= 5V
R
PROG
= 1k
V
CC
(V)
4
4.185
V
FLOAT
(V)
4.190
4.195
4.200
4.205
4.215
4.5
5 5.5 6
4054L G09
6.5 7
4.210
R
PROG
= 1k
T
A
= 25°C
V
CHRG
(V)
0 1
0
I
CHRG
(mA)
10
25
2
4
5
4054L G10
5
20
15
3
6
7
V
CC
= 5V
V
BAT
= 4V
T
A
= 25°C
TEMPERATURE (°C)
50
I
CHRG
(mA)
18
25
4054L G11
12
8
25 0 50
6
4
20
16
14
10
75 100 125
V
CC
= 5V
V
BAT
= 4V
V
CHRG
= 1V
V
CHRG
(V)
0
16
18
22
3 5
4054L G12
14
12
1 2
4 6 7
10
8
20
I
CHRG
(µA)
V
CC
= 5V
V
BAT
= 4.3V
T
A
= 25°C