ltc4054x-4.2 Linear Technology Corporation, ltc4054x-4.2 Datasheet - Page 5

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

TYPICAL PERFOR A CE CHARACTERISTICS
3.000
2.975
2.950
2.925
2.900
2.875
2.850
2.825
2.800
600
500
400
300
200
100
28
25
23
19
16
13
10
0
–50
–50
–50
CHRG Pin Current vs Temperature
(Weak Pull-Down State)
Trickle Charge Threshold vs
Temperature
Charge Current vs Ambient
Temperature
V
V
V
V
R
V
V
CC
BAT
CHRG
JA
CC
PROG
CC
BAT
–25
= 5V
–25
–25
= 80 C/W
= 5V
= 5V
= 4.3V
= 4V
= 5V
= 10k
R
R
TEMPERATURE ( C)
TEMPERATURE ( C)
PROG
PROG
0
TEMPERATURE ( C)
0
0
= 10k
= 2k
25
25
25
REGULATION
50
ONSET OF
THERMAL
50
50
75
W
75
75
100
4054 G13
4054 G16
4054 G19
U
100
100
125
4.11
4.09
4.07
4.05
4.03
4.01
3.99
600
500
400
300
200
100
50
40
30
20
10
0
0
–50
–50
2.7
Trickle Charge Current
vs Temperature
Charge Current vs Battery Voltage
Recharge Voltage Threshold
vs Temperature
V
R
CC
PROG
–25
–25
= 5V
3.0
= 10k
T
A
= 0 C
TEMPERATURE ( C)
TEMPERATURE ( C)
3.3
0
0
R
R
T
A
PROG
PROG
V
V
R
BAT
= 25 C
CC
JA
PROG
25
3.6
25
T
A
= 125 C/W
= 5V
(V)
= 2k
= 10k
= 40 C
= 2k
50
3.9
50
V
V
LTC4054-4.2/LTC4054X-4.2
CC
BAT
= 5V
4.2
75
75
= 2.5V
4054 G14
4054 G20
4054 G17
100
100
4.5
600
500
400
300
200
100
700
650
600
550
500
450
400
350
50
40
30
20
10
0
0
–50
4.0
4.0
Charge Current vs Supply Voltage
Trickle Charge Current vs
Supply Voltage
Power FET “ON” Resistance
vs Temperature
V
I
R
V
T
BAT
A
JA
CC
BAT
PROG
= 25 C
–25
= 80 C/W
= 4.2V
4.5
= 100mA
4.5
= 4V
= 2k
0
5.0
TEMPERATURE ( C)
5.0
R
R
R
R
PROG
PROG
PROG
25
PROG
V
V
CC
CC
5.5
5.5
(V)
(V)
= 10k
= 2k
= 10k
= 2k
50
6.0
6.0
ONSET OF
THERMAL
REGULATION
75
V
T
A
BAT
= 25 C
6.5
6.5
100
= 2.5V
405442xf
4054 G18
4054 G15
4054 G21
5
7.0
125
7.0