ltc4054x-4.2 Linear Technology Corporation, ltc4054x-4.2 Datasheet - Page 4

• Manufacturer Part Number: ltc4054x-4.2
• Description: Standalone Linear Li-ion Battery Charger With Thermal Regulation In Thinsot
• Manufacturer: Linear Technology Corporation

LTC4054-4.2/LTC4054X-4.2
TYPICAL PERFOR A CE CHARACTERISTICS
4
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
3.7
3.5
3.3
3.1
2.9
2.7
2.5
25
20
15
10
5
0
–50
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)
0
V
V
V
T
R
BAT
PROG
A
CC
PROG
–25
V
= 25 C
100
CC
= 5V
1
= 4.3V
= 0V
= 6.5V
= 1.25k
200
0
2
TEMPERATURE ( C)
I
V
25
300
BAT
3
CHRG
(mA)
50
400 500
4
(V)
75
5
V
V
V
T
W
CC
CC
BAT
A
100
= 25 C
600
= 4.2V
= 5V
6
4054 G07
= 4V
4054 G04
4054 G10
U
700
125
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
0
8
6
4
–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
R
V
V
T
V
V
V
CC
CC
BAT
A
PROG
CC
BAT
CHRG
–25
= 25 C
= 5V
–25
= 5V
2.1
= 5V
= 4.3V
= 4V
= 10k
= 1V
0
TEMPERATURE ( C)
TEMPERATURE ( C)
2.2
0
V
25
PROG
2.3
25
(V)
50
2.4
50
75
2.5
75
100
4054 G08
4054 G11
4054 G05
100
125
2.6
4.215
4.210
4.205
4.200
4.195
4.190
4.185
–200
–250
–300
–350
–400
–100
–150
–50
22
20
18
16
14
12
10
0
8
2.0
4.0
0
PROG Pin Current vs PROG Pin
Voltage (Clamp Current)
Regulated Output (Float) Voltage
vs Supply Voltage
CHRG Pin I-V Curve
(Weak Pull-Down State)
V
V
T
T
R
A
CC
BAT
A
PROG
= 25 C
2.5
= 25 C
1
= 5V
4.5
= 4.3V
= 10k
3.0
2
5.0
V
V
3.5
3
PROG
V
CHRG
CC
5.5
(V)
4.0
(V)
4
(V)
6.0
4.5
5
V
V
T
A
CC
BAT
= 25 C
= 5V
6.5
5.0
= 4.3V
6
4054 G06
4054 G09
4054 G12
405442xf
5.5
7.0
7