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RT4813C - High Efficiency Boost Converter

Datasheet Summary

Description

The RT4813C 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.

Features

  • CMCOT Topology and Small Output Ripple when VIN Close VOUT Voltage.
  • Operates from a Single Li-ion Cell : 1.8V to 5.5V.
  • Adjustable Output Voltage : 1.8V to 5.5V.
  • PSM Operation.
  • Up to 96% Efficiency.
  • Input Over-Current Limit.
  • Input / Output Over-Voltage Protection.
  • Programmable Average Output Current Limit Range : 3100mA to 550mA.
  • Internal Compensation.
  • Output Discharge.
  • Output Short Protection.
  • True Load Disconnect.

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Datasheet preview – RT4813C

Datasheet Details

Part number RT4813C
Manufacturer Richtek
File Size 1.17 MB
Description High Efficiency Boost Converter
Datasheet download datasheet RT4813C Datasheet
Additional preview pages of the RT4813C datasheet.

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Full PDF Text Transcription

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RT4813C High Efficiency Boost Converter General Description The RT4813C 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. The RT4813C is a boost regulator designed to provide a minimum output voltage from a single-cell Li-Ion battery, even when the battery voltage is below system minimum. In boost mode, output voltage regulation is guaranteed to a maximum load current of 3.1A. Quiescent current in Shutdown Mode is less than 1A, which maximizes battery life.
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