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LTC4059 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4059
Description  900mA Linear Li-Ion Battery Chargers with Thermal Regulation in 2 2 DFN
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4059 Datasheet(HTML) 4 Page - Linear Technology

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LTC4059/LTC4059A
4
4059fb
TYPICAL PERFOR A CE CHARACTERISTICS
VCC – VBAT Undervoltage Lockout
Threshold vs Battery Voltage
EN Pin Current
vs EN Voltage and Temperature
UVLO Battery Drain Current
vs Battery Voltage
VBAT (V)
3
300
400
500
7
4059 G10
200
100
250
350
450
150
50
0
4
5
6
8
TA = 25°C
RPROG = 12.1k
VEN (V)
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
35
4059 G11
12
46
TA = 100°C
TA = –20°C
TA = 25°C
VBAT (V)
0
1.2
1.6
2.0
4
4059 G12
0.8
0.4
1.0
1.4
1.8
0.6
0.2
0
1
2
3
5
VCC = 0V
TA = 25°C
UVLO Battery Drain Current
vs Temperature
Manual Shutdown Supply Current
vs Temperature
TEMPERATURE (
°C)
–50
–25
0
1.0
2.5
0
50
75
4059 G13
0.5
2.0
1.5
25
100
125
VCC = 0V
VBAT = 4V
TEMPERATURE (
°C)
–50
8
10
14
25
75
4059 G14
6
4
–25
0
50
100
125
2
0
12
VCC = 5V
VEN = 5V
Manual Shutdown Threshold
Voltage vs Temperature
Voltage Mode Disable Threshold
Voltage vs Temperature
(LTC4059 Only)
TEMPERATURE (
°C)
–50
0.6
0.7
0.8
0.9
1.0
1.2
–25
025
50
4059 F15
75
100
1.1
RISING
FALLING
TEMPERATURE (
°C)
–50
0.6
0.7
0.8
0.9
1.0
1.2
–25
025
50
4059 F16
75
100
1.1
RISING
FALLING
ACPR Pin Output Low Voltage
vs Temperature (LTC4059A Only)
TEMPERATURE (
°C)
–50
0.45
25
4059 G17
0.30
0.20
–25
0
50
0.15
0.10
0.50
0.40
0.35
0.25
75
100
125
VCC = 5V
VBAT = 4.2V
IACPR = 300µA
VACPR (V)
0
2.0
3.0
8
4059 G18
1.0
0
2
4
6
1
3
5
7
4.0
1.5
2.5
0.5
3.5
VCC = 5V
VBAT = 4.2V
TA = 25°C
ACPR Pin (Pull-Down State)
I-V Curve (LTC4059A Only)



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