LTC4075 LINER [Linear Technology], LTC4075 Datasheet - Page 16

• Manufacturer Part Number: LTC4075
• Description: Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
LTC4075/LTC4075X
TYPICAL APPLICATIO
PART NUMBER
LTC3455
LTC4053
LTC4054/LTC4054X
LTC4055
LTC4058/LTC4058X
LTC4061
LTC4066
LTC4068/LTC4068X
LTC4410
LTC4411/LTC4412
ThinSOT and PowerPath are trademarks of Linear Technology Corporation
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Dual DC/DC Converter with USB Power
Management and Li-Ion Battery Charger
USB Compatible Monolithic Li-Ion Battery Charger
Standalone Linear Li-Ion Battery Charger
with Integrated Pass Transistor in ThinSOT
USB Power Controller and Battery Charger
Standalone 950mA Lithium-Ion Charger in DFN
Standalone Li-Ion Charger with Thermistor Interface 4.2V, ±0.35% Float Voltage, Up to 1A Charge Current
USB Power Controller and Li-Ion Linear Battery
Charger with Low-Loss Ideal Diode
Standalone Linear Li-Ion Battery Charger with
Programmable Termination
USB Power Manager and Battery Charger
Low Loss PowerPath
●
FAX: [phone]
ADAPTER
POWER
TM
U
WALL
USB
Controller in ThinSOT
●
2.1k
1%
www.linear.com
1µF
1.24k
1%
Full Featured Li-Ion Charger
1µF
DCIN
USBIN
IUSB
IDC
LTC4075
GND
COMMENTS
Effi ciency >96%, Accurate USB Current Limiting (500mA/100mA),
4mm × 4mm QFN-24 Package
Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
Thermal Regulation Prevents Overheating, C/10 Termination,
C/10 Indicator, Up to 800mA Charge Current
Charges Single-Cell Li-Ion Batteries Directly from USB Port,
Thermal Regulation, 4mm × 4mm QFN-16 Package
C/10 Charge Termination, Battery Kelvin Sensing, ±7% Charge Accuracy
Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and
Wall Adapter, Low-Loss (50Ω) Ideal Diode, 4mm × 4mm QFN-24 Package
Charge Current up to 950mA, Thermal Regulation,
3mm × 3mm DFN-8 Package
Manages Total Power Between a USB Peripheral and Battery Charger,
Ultralow Battery Drain: 1µA, ThinSOT
Automatic Switching Between DC Sources, Load Sharing,
Replaces ORing Diodes
ITERM
CHRG
PWR
BAT
1k
1k
1%
800mA (WALL)
475mA (USB)
1k
+
4075 TA03
1-CELL
Li-Ion
BATTERY
TM
© LINEAR TECHNOLOGY CORPORATION 2005
Package
LT/TP 0405 500 • PRINTED IN USA
4075Xf