IR3897 Datasheet (International Rectifier) - 4A Highly Integrated SupIRBuck Synchronous Buck Regulator

IR3897, 4A Highly Integrated SupIRBuck Synchronous Buck Regulator

APPLICATIONS * Netcom Applications * Embedded Telecom Systems * Server Applications * Storage Applications * Distributed Point of Load Power Architectures * Small Size: 4mm x 5mm PQFN * Lead‐free, Halogen‐free and RoHS Compliant BASIC APPLICATION 97 95 93 9

IR3897 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/S