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LTC3559 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC3559
Description  Linear USB Battery Charger with Dual Buck Regulators
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3559 Datasheet(HTML) 6 Page - Linear Technology

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LTC3559/LTC3559-1
6
3559fb
TYPICAL PERFORMANCE CHARACTERISTICS
Timer Accuracy vs Temperature
Complete Charge Cycle
2400mAh Battery (LTC3559)
Buck Regulator Input Current vs
Temperature, Burst Mode Operation
Buck Regulator Input Current vs
Temperature, Pulse Skip Mode
(LTC3559)
Buck Regulator PVIN Undervoltage
Thresholds vs Temperature
Frequency vs Temperature
TEMPERATURE (°C)
–55
–2
–1
1
2
3
25
7
3559 G16
0
–15
–35
45
65
585
4
5
6
VCC = 5V
TIME (HOUR)
0
5.0
200
0
400
800
600
1000
35
3559 G17
3.5
3.0
5.0
4.5
4.0
3.0
4.0
1.0
2.0
0
12
4
6
VCC = 5V
RPROG = 0.845k
HPWR = 5V
TEMPERATURE (°C)
–55
20
25
35
40
45
–15
25
45
125
3559 G18
30
–35
5
65
85 105
50
VFB = 0.82V
PVIN = 4.2V
PVIN = 2.7V
TEMPERATURE (°C)
–55
100
150
250
300
350
–15
25
45
125
3559 G19
200
–35
5
65
85 105
400
VFB = 0.82V
PVIN = 4.2V
PVIN = 2.7V
TEMPERATURE (°C)
–55
2.25
2.35
2.55
2.65
2.75
–15
25
45
125
3559 G20
2.45
–35
5
65
85 105
2.85
RISING
FALLING
TEMPERATURE (°C)
–55
1.5
1.6
1.8
1.9
2.0
2.5
2.2
5
45
65
3559 G21
1.7
2.3
2.4
2.1
–35 –15
25
85 105 125
PVIN = 3.8V
CHRG Pin Output Low Voltage
vs Temperature
Timer Accuracy vs Supply Voltage
TEMPERATURE (°C)
–55
80
100
140
545
3559 G13
60
40
–35
–15
25
65
85
20
0
120
VCC = 5V
ICHRG = 5mA
CHRG Pin I-V Curve
CHRG (V)
0
70
60
50
40
30
20
10
0
35
3559 G14
12
46
VCC = 5V
BAT = 3.8V
VCC (V)
4.3
–1.0
–0.5
0
0.5
1.0
2.0
4.5
4.7
4.9
5.1
3559 G15
5.3
5.5
1.5



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