LTC3559 Linear Technology, LTC3559 Datasheet - Page 6

• Manufacturer Part Number: LTC3559
• Description: Linear USB Battery Charger
• Manufacturer: Linear Technology

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LTC3559
TYPICAL PERFORMANCE CHARACTERISTICS
6
1000
1200
1100
400
300
250
200
100
900
800
700
600
500
400
350
150
–1
–2
7
6
5
4
3
2
1
0
–55
–55
–55
Timer Accuracy vs Temperature
Buck Regulator Input Current vs
Temperature, Pulse Skip Mode
Buck Regulator Enable
Thresholds vs Temperature
PV
V
V
FB
CC
–35
–35
IN
–35
= 0.82V
= 5V
= 3.8V
–15
–15
–15
TEMPERATURE (°C)
FALLING
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
PV
5
25
25
IN
RISING
= 4.2V
45
45
25
PV
65
65
IN
45
= 2.7V
85 105
85
65
105
3559 G16
3559 G19
3559 G22
125
125
85
1300
1200
1100
1000
1000
2.65
2.55
2.45
2.25
2.85
2.75
2.35
900
800
700
600
500
400
800
600
400
200
4.5
4.0
3.5
3.0
5.0
4.0
3.0
2.0
1.0
5.0
0
0
–55
–55
0
Complete Charge Cycle
2400mAh Battery
Buck Regulator PV
Thresholds vs Temperature
Buck Regulator PMOS R
Temperature
–35
–35
1
–15
–15
PV
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
2
IN
FALLING
RISING
TIME (HOUR)
= 2.7V
25
25
3
45
45
IN
PV
IN
Undervoltage
V
R
HPWR = 5V
65
65
4
= 4.2V
CC
PROG
DS(0N)
= 5V
85 105
85
= 0.845k
5
105
3559 G23
3559 G20
3559 G17
vs
125
125
6
1300
1200
1100
1000
900
800
700
600
500
400
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.5
1.6
40
35
30
20
50
45
25
–55
–55
–55
Buck Regulator Input Current vs
Temperature, Burst Mode Operation
Frequency vs Temperature
Buck Regulator NMOS R
Temperature
PV
V
FB
–35
IN
–35 –15
–35
= 0.82V
= 3.8V
PV
–15
–15
IN
PV
= 2.7V
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
IN
5
5
= 4.2V
25
25
25
45
45
45
PV
65
65
65
IN
PV
DS(0N)
= 4.2V
85 105
85
85 105 125
IN
= 2.7V
105
3559 G24
3559 G18
3559 G21
vs
3559f
125
125