Richtek USA Inc

RT4813A High Efficiency Boost Converter

Richtek's RT4813A high efficiency boost converter is designed to provide a minimum output voltage from a single-cell Li-Ion battery

Image of Richtek's RT4813A High Efficiency Boost ConverterRichtek's RT4813A high efficiency boost converter allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current, this IC provides a compact solution for systems using advanced Li-Ion battery chemistries.

Features
  • CMCOT topology and small output ripple when VIN close VOUT voltage
  • Operates from a single Li-Ion cell: 1.8 V to 5.5 V
  • Adjustable output voltage: 1.8 V to 5.5 V
  • PSM operation
  • Up to 96% efficiency
  • Input overcurrent limit
  • Input / output overvoltage protection
  • Average output current limit range: 3250 mA to 2500 mA
  • Internal compensation
  • Output discharge
  • Output short protection
  • True load disconnect
Applications    
  • Single-cell Li-Ion, LiFePO4 smartphones
  
  • Portable equipment

Boost Switching Regulator

ImageManufacturer Part NumberDescriptionTopologyVoltage - Input (Min)Synchronous RectifierAvailable QuantityPriceView Details
IC REG BOOST ADJ 2.5A 9UQFNRT4813AGQUFIC REG BOOST ADJ 2.5A 9UQFNBoost1.8VYes427 - Immediate$2.33View Details
Published: 2017-01-31