ltc4097 Linear Technology Corporation, ltc4097 Datasheet - Page 5

• Manufacturer Part Number: ltc4097
• Description: Usb/wall Adapter Standalone Li-ion/polymer Battery Charger
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
1.006
1.004
1.002
1.000
0.998
0.996
0.994
1200
1150
1100
1050
1000
104
102
100
950
900
850
800
98
96
4.25
4.25
3.0
IDC Pin Voltage vs V
(Constant-Current Mode)
Charge Current vs Battery Voltage
Charge Current vs Supply Voltage
V
R
V
R
V
R
R
THERMAL REGULATION
BAT
BAT
IDC
DCIN
IDC
IDC
IUSB
= 10k
= 1k
= 10k
= 3.7V
= 3.7V
4.50
4.50
= 5V
= 10k
3.2
V
DCIN
4.75
4.75
3.4
V
V
DCIN
, V
BAT
USBIN
(V)
(V)
5.00
5.00
3.6
DCIN
(V)
5.25
5.25
3.8
4097 G10
4097 G16
4097 G13
5.50
5.50
4.0
1.006
1.004
1.002
1.000
0.998
0.996
0.994
1200
1000
800
600
400
200
600
575
550
525
500
475
450
425
400
0
4.25
2.0
3.0
IUSB Pin Voltage vs V
(Constant-Current Mode)
Charge Current vs Battery Voltage
Charge Current vs Battery Voltage
V
R
V
R
BAT
IUSB
USBIN
IUSB
= 3.7V
4.50
= 10k
= 2k
THERMAL REGULATION
2.5
3.2
= 5V
4.75
3.0
3.4
V
V
V
USBIN
BAT
BAT
V
R
θ
DCIN
JA
IDC
(V)
(V)
= 60°C/W
5.00
(V)
3.5
3.6
= 1k
= 5V
USBIN
5.25
4.0
3.8
4097 G17
4097 G11
4097 G14
NTC = 0V, HPWR = 5V, T
unless otherwise noted.
5.50
4.5
4.0
1200
1000
120
115
110
105
100
800
600
400
200
600
500
400
300
200
100
95
90
85
80
0
0
–50
–50
2.0
Recharge Threshold Voltage
vs Temperature
Charge Current vs Ambient
Temperature with Thermal
Regulation
Charge Current vs Battery Voltage
V
V
V
V
θ
R
R
JA
DCIN
DCIN
USBIN
BAT
IDC
IUSB
–25
= 60°C/W
–25
= 1k
= 3.7V
= V
= 5V
= 2k
2.5
= 5V
USBIN
A
0
TEMPERATURE (°C)
TEMPERATURE (°C)
= 25°C,
0
= 5V
3.0
25
V
BAT
V
R
θ
THERMAL REGULATION
LTC4097
25
USBIN
JA
IUSB
(V)
50
= 60°C/W
3.5
= 2k
= 5V
50
75
4.0
75
100
4097 G12
4097 G15
4097 G18
5
4097f
100
125
4.5