LTC4053-4.2 LINER [Linear Technology], LTC4053-4.2 Datasheet - Page 5

• Manufacturer Part Number: LTC4053-4.2
• Description: USB Compatible Lithium-Ion Battery Charger with Thermal Regulation
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
12
11
10
9
8
7
0
–50 –25
0
PROG Pin Voltage
vs Charge Current
Trickle Charge Current
vs Temperature
V
T
R
V
T
R
BAT
A
PROG
A
CC
PROG
50
= 25°C
= 25°C
= 5V
= 2V
100
= 3k
= 3k
CHARGE CURRENT (mA)
150
0
TEMPERATURE (°C)
200
25
–2
–3
–4
–5
–1
250
5
4
3
2
1
0
–50
50
Timer Error vs Temperature
300
V
C
CC
TIMER
–25
= 5V
350
75
= 0.1µF
W
400
100
0
TEMPERATURE (°C)
450
4053 G13
4052 G10
U
25
125
500
50
1.515
1.510
1.505
1.500
1.495
1.490
1.485
75
35
34
33
32
31
30
29
28
27
26
25
–50
LTC1323 • TPC05
4
100
PROG Pin Voltage vs V
Constant Current Mode
CHRG Pin Weak Pull-Down
Current vs Temperature
V
I
V
T
R
BAT
CC
BAT
A
PROG
= 25°C
–25
= 5V
< C/10
4.5
125
= 3.5V
= 3k
0
TEMPERATURE (°C)
5
25
V
CC
5.5
(V)
50
6
CC
75
–2
–5
–1
–3
–4
5
4
3
2
1
0
LTC1323 • TPC05
6.5
100
4
Timer Error vs V
T
C
4053 G11
A
TIMER
= 25°C
125
4.5
7
= 0.1µF
5
1.515
1.510
1.505
1.500
1.495
1.490
1.485
V
0.6
0.5
0.3
0.2
0.4
0.1
CC
0
5.5
CC
–50
–50
(V)
PROG Pin Voltage vs Temperature
Constant Current Mode
CHRG Pin Output Low Voltage
vs Temperature
V
I
V
V
R
CHRG
CC
CC
BAT
PROG
–25
= 5V
= 5V
–25
6
= 4V
= 5mA
= 3k
LTC4053-4.2
0
6.5
TEMPERATURE (°C)
TEMPERATURE (°C)
0
4056 G17
25
7
25
50
50
75
75
100
4053 G15
4053 G12
4053fa
5
125
100