LTC4120 Datasheet - Linear Technology

LTC4120, Wireless Power Receiver and 400mA Buck Battery Charger

LTC4120/LTC4120-4.2 Wireless Power Receiver and 400mA Buck Battery Charger .
The LTC®4120 is a constant-current/constant-voltage wireless receiver and battery charger.

Features

* n Dynamic Harmonization Control Optimizes Wireless Charging Over a Wide Coupling Range n Wide Input Voltage Range: 12.5V to 40V n Adjustable Float Voltage: 3.5V to 11V n Fixed 4.2V Float Voltage Option: LTC4120-4.2 n 50mA to 400mA Charge Current Programmed with a Single Resistor n ±1% Feedback V

Applications

* n Handheld Instruments n Industrial/Military Sensors and Devices n Harsh Environments n Portable Medical Devices n Physically Small Devices n Electrically Isolated Devices L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks of Linear Technology Corporat

LTC4120-LinearTechnology.pdf