ltc4097 Linear Technology Corporation, ltc4097 Datasheet - Page 4

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

LTC4097
TYPICAL PERFORMANCE CHARACTERISTICS
4
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
600
500
400
300
200
100
0
4.25
0
0
Battery Regulated Output (Float)
Voltage vs Charge Current
Battery Regulated Output (Float)
Voltage vs DCIN Voltage
Charge Current vs IUSB Pin
Voltage
V
R
I
R
V
R
BAT
DCIN
USBIN
IDC
IDC
IUSB
= 10mA
200
= 1k
= 1k
0.2
4.50
= 5V
= 2k
= 5V
CHARGE CURRENT (mA)
400
0.4
4.75
V
V
DCIN
IUSB
600
0.6
(V)
(V)
5.00
800
0.8
5.25
1000
1.0
4097 G01
4097 G04
4097 G07
1200
5.50
1.2
1.006
1.004
1.002
1.000
0.998
0.996
0.994
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
4.25
–50
0
Battery Regulated Output (Float)
Voltage vs Charge Current
Battery Regulated Output (Float)
Voltage vs USBIN Voltage
IDC Pin Voltage vs Temperature
(Constant-Current Mode)
V
R
I
R
V
R
BAT
USBIN
IUSB
IUSB
DCIN
IDC
= 10mA
100
–25
= 10k
4.50
= 2k
= 2k
= 5V
= 5V
CHARGE CURRENT (mA)
TEMPERATURE (°C)
200
0
4.75
V
USBIN
300
25
(V)
5.00
400
50
5.25
500
75
4097 G02
4097 G05
4097 G08
NTC = 0V, HPWR = 5V, T
unless otherwise noted.
5.50
600
100
1.006
1.004
1.002
1.000
0.998
0.996
0.994
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.175
1200
1000
800
600
400
200
0
–50
–50
0
Battery Regulated Output (Float)
Voltage vs Temperature
Charge Current vs IDC Pin
Voltage
IUSB Pin Voltage vs Temperature
(Constant-Current Mode)
V
R
V
R
V
R
V
R
DCIN
DCIN
USBIN
IDC
USBIN
IUSB
IDC
IUSB
= 1k
–25
–25
0.2
= 1k
= 5V
= 10k
= 5V
= 2k
= 5V
= 5V
A
TEMPERATURE (°C)
TEMPERATURE (°C)
0.4
= 25°C,
0
0
V
IDC
0.6
25
25
(V)
0.8
50
50
1.0
75
75
4097 G06
4097 G09
4097 G03
4097f
1.2
100
100