IR3899 Datasheet (International Rectifier) - Synchronous Buck Regulator

IR3899, Synchronous Buck Regulator

The IR3899 SupIRBuckTM is an easy‐to‐use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs make IR3899 a space‐efficient solution, providing accurate power delivery. IR3899 is a versatile regulator which offers programmable swit

IR3899 Features

* Single 5V to 21V application

* Wide Input Voltage Range from 1.0V to 21V with external Vcc

* Output Voltage Range: 0.5V to 0.86× Vin

* Enhanced Line/Load Regulation with Feed‐Forward

* Programmable Switching Frequency up to 1.5MHz

* Internal Digital Soft‐Start/Soft‐