Click to expand full text
U U
FEATURES
■ Programmable Charge Current Up to 950mA ■ Complete Linear Charger in DFN Package ■ No MOSFET, Sense Resistor or Blocking Diode
Required ■ Thermal Regulation Maximizes Charge Rate
Without Risk of Overheating* ■ Charges Directly from a USB Port ■ Programmable Charge Current Termination ■ Preset 4.2V Charge Voltage with ±1% Accuracy ■ Charge Current Monitor Output for Gas Gauging* ■ Automatic Recharge ■ Charge Status Output ■ “AC Present” Output ■ 2.9V Trickle Charge Threshold (LTC4068) ■ Available Without Trickle Charge (LTC4068X) ■ Soft-Start Limits Inrush Current ■ Low Profile (3mm × 3mm × 0.75mm) DFN Package
U APPLICATIO S
■ Cellular Telephones, PDAs, MP3 Players ■ Bluetooth Applications
LTC4068-4.2/LTC4068X-4.
LTC4068X-4.2 Datasheet
