LTC4081

PRODUCTION

500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck

Part Models
2
1ku List Price
Starting From $2.31
Viewing:

Part Details

Battery Charger:
  • Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating
  • Internal 4.5 Hour Safety Timer for Termination
  • Charge Current Programmable Up to 500mA with 5% Accuracy
  • NTC Thermistor Input for Temperature Qualified Charging
  • C/10 Charge Current Detection Output
  • 5µA Supply Current in Shutdown Mode
Switching Regulator:
  • High Efficiency Synchronous Buck Converter
  • 300mA Output Current (Constant-Frequency Mode)
  • 2.7V to 4.5V Input Range (Powered from BAT Pin)
  • 0.8V to VBAT Output Range
  • MODE Pin Selects Fixed (2.25MHz) Constant-Frequency PWM Mode or Low ICC (23µA) Burst Mode® Operation
  • 2µA BAT Current in Shutdown Mode
  • 10-lead, low profile (0.75 mm) 3mm × 3mm DFN package
LTC4081
500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck
Li-Ion Battery Charger with 1.8V Buck Regulator Buck Efficiency vs Load Current (VOUT = 1.8V) Product Package 1
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project
Ask a Question

Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

Learn More
Add to myAnalog

Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

Create New Project

Latest Discussions

Recently Viewed