Part IR3895
Description Synchronous Buck Regulator
Category Voltage Regulator
Manufacturer International Rectifier
Size 2.85 MB
International Rectifier

IR3895 Overview

Description

The IR3895 SupIRBuckTM is an easy‐to‐use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs make IR3895 a space‐efficient solution, providing accurate power delivery.

Key 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‐Stop
  • Enable input with Voltage Monitoring Capability
  • Thermally Compensated Current Limit with robust hiccup mode over current protection
  • Smart internal LDO to improve light load and full load efficiency
  • External Synchronization with Smooth Clocking