Datasheet

12
LTC4068-4.2/LTC4068X-4.2
406842fa
PART NUMBER DESCRIPTION COMMENTS
LTC1732 Lithium-Ion Linear Battery Charger Controller Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication
LTC1733 Monolithic Lithium-Ion Linear Battery Charger Standalone Charger with Programmable Timer, Up to 1.5A Charge Current
LTC1734 Lithium-Ion Linear Battery Charger in ThinSOT
TM
Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
LTC1734L Lithium-Ion Linear Battery Charger in ThinSOT Low Current Version of LTC1734; 50mA I
CHRG
180mA
LTC1998 Lithium-Ion Low Battery Detector 1% Accurate 2.5µA Quiescent Current, SOT-23
LTC4007 4A Multicell Li-Ion Battery Charger Standalone Charger, 6V V
IN
28V, Up to 96% Efficiency,
±0.8% Charging Voltage Accuracy
LTC4050 Lithium-Ion Linear Battery Charger Controller C/10 Charger Detection and Programmable Timer, Thermistor Interface
LTC4052 Monolithic Lithium-Ion Battery Pulse Charger No Blocking Diode or External Power FET Required, 1.5A Charge Current
LTC4053 USB Compatible Monolithic Li-Ion Battery Charger Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
LTC4054 Standalone Linear Li-Ion Battery Charger Thermal Regulation Prevents Overheating, C/10 Termination,
in ThinSOT C/10 Indicator, Up to 800mA Charge Current
LTC4057 Li-Ion Linear Battery Charger Up to 800mA Charge Current, Thermal Regulation, ThinSOT Package
LTC4058 Standalone Li-Ion Linear Charger in DFN Up to 950mA Charge Current, Kelvin Sense for High Accuracy,
LTC4058X C/10 Charge Termination
LTC4410 USB Power Manager For Simultaneous Operation of USB Peripheral and Battery Charging from USB
Port, Keeps Current Drawn from USB Port Constant, Keeps Battery Fresh, Use
with the LTC4053, LTC1733, or LTC4054
LTC4411 Low Loss PowerPath
TM
Controller in ThinSOT Automatic Switching Between DC Sources, Load Sharing,
LTC4412 Replaces ORing Diodes
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
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TYPICAL APPLICATIO S
U
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3
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V
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LT/TP 0904 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
USB/Wall Adapter Power Li-Ion Charger
+
LTC4068-4.2
PROG
V
CC
5V WALL
ADAPTER
USB
POWER
1-CELL
Li-Ion
BATTERY
1k
5k
1.25k
6
2
1
5
4, 9
406842 TA05
GND
1µF
100mA/
500mA
µC
BAT
ITERM
I
BAT