LTC4054L-4.2 Linear Technology, LTC4054L-4.2 Datasheet - Page 4

• Manufacturer Part Number: LTC4054L-4.2
• Description: Standalone Linear Li-Ion Battery Charger
• Manufacturer: Linear Technology

LTC4054L-4.2
TYPICAL PERFOR A CE CHARACTERISTICS
4
4.26
4.24
4.16
4.14
4.22
4.20
4.18
3.7
3.5
3.1
2.9
2.7
2.5
3.3
15
25
20
10
0
5
–50
0
0
PROG Pin Pull-Up Current vs
Temperature and Supply Voltage
Regulated Output (Float) Voltage
vs Charge Current
CHRG Pin I-V Curve
(Strong Pull-Down State)
V
V
V
R
T
V
V
T
A
BAT
PROG
CC
A
CC
BAT
PROG
= 25 C
= 25 C
V
–25
= 5V
= 5V
CC
1
= 4V
= 4.3V
30
= 0V
= 600
= 6.5V
2
0
TEMPERATURE ( C)
60
V
V
I
25
CC
BAT
3
CHRG
= 4.2V
90
(mA)
50
(V)
4
120
75
5
W
150
100
6
4054L G04
4054L G07
4054L G10
U
125
180
7
4.215
4.210
4.205
4.200
4.195
4.190
4.185
3.5
3.0
2.5
2.0
1.5
1.0
0.5
20
18
16
14
12
10
8
6
4
0
– 50
–50
2.0
PROG Pin Current vs PROG Pin
Voltage (Pull-Up Current)
Regulated Output (Float) Voltage
vs Temperature
CHRG Pin Current vs Temperature
(Strong Pull-Down State)
V
V
V
V
R
CC
CC
BAT
CHRG
PROG
– 25
= 5V
= 5V
–25
2.1
= 4V
= 1V
= 1k
0
TEMPERATURE ( C)
TEMPERATURE ( C)
2.2
0
V
25
PROG
2.3
25
50
(V)
50
2.4
75
V
V
T
A
CC
BAT
= 25 C
2.5
75
100
= 5V
= 4.3V
4054L G08
4054L G11
4054L G05
125
100
2.6
4.215
4.210
4.190
4.185
4.205
4.200
4.195
–300
–100
–150
–200
–250
–350
–400
–50
22
16
20
18
14
12
10
8
0
0
2
4
Regulated Output (Float) Voltage
vs Supply Voltage
PROG Pin Current vs PROG Pin
Voltage (Clamp Current)
CHRG Pin I-V Curve
(Weak Pull-Down State)
R
T
A
PROG
= 25 C
2.5
1
4.5
= 1k
2
3
5
V
V
3.5
3
V
PROG
CHRG
CC
5.5
(V)
(V)
4
(V)
4
6
4.5
5
V
V
T
V
V
T
A
CC
BAT
A
CC
BAT
= 25 C
= 25 C
6.5
= 5V
= 5V
6
5
= 4.3V
4054L G12
= 4.3V
4054L G09
4054l42f
4054L G06
5.5
7
7