LTC4059A Linear Technology, LTC4059A Datasheet - Page 4

• Manufacturer Part Number: LTC4059A
• Description: 900mA Linear Li-Ion Battery Chargers
• Manufacturer: Linear Technology

LTC4059/LTC4059A
TYPICAL PERFOR A CE CHARACTERISTICS
4
0.20
0.10
0.50
0.45
0.40
0.35
0.30
0.25
0.15
500
450
400
350
300
250
200
150
100
1.5
2.5
2.0
1.0
0.5
50
0
0
– 50
–50 –25
3
UVLO Battery Drain Current
vs Temperature
V
Threshold vs Battery Voltage
ACPR Pin Output Low Voltage
vs Temperature (LTC4059A Only)
V
V
V
V
I
T
R
CC
ACPR
CC
BAT
A
CC
BAT
PROG
– 25
= 25 C
= 0V
= 5V
– V
= 4V
= 4.2V
= 300 A
= 12.1k
4
BAT
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
Undervoltage Lockout
5
25
25
V
BAT
50
(V)
50
6
75
75
W
7
100
100
4059 G13
4059 G17
4059 G10
U
125
125
8
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
14
12
10
8
6
4
2
0
0
0
–50
0
0
Manual Shutdown Supply Current
vs Temperature
EN Pin Current
vs EN Voltage and Temperature
ACPR Pin (Pull-Down State)
I-V Curve (LTC4059A Only)
V
V
V
V
T
CC
EN
CC
BAT
A
–25
= 25 C
= 5V
= 5V
1
= 5V
1
= 4.2V
2
0
TEMPERATURE ( C)
T
2
A
= 100 C
3
25
V
T
V
ACPR
A
EN
= 25 C
4
3
(V)
50
(V)
5
T
4
A
75
= –20 C
6
100
5
4059 G14
7
4059 G18
4059 G11
125
6
8
1.2
1.1
0.7
0.6
1.2
1.1
0.7
0.6
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
1.0
0.9
0.8
0
–50
–50
0
UVLO Battery Drain Current
vs Battery Voltage
Manual Shutdown Threshold
Voltage vs Temperature
Voltage Mode Disable Threshold
Voltage vs Temperature
(LTC4059 Only)
V
T
CC
A
= 25 C
= 0V
–25
–25
1
FALLING
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FALLING
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
2
V
RISING
RISING
BAT
25
25
(V)
3
50
50
4
75
75
4059 G12
4059 F15
4059 F16
4059fa
100
100
5