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The RT8581 is a boost converter that integrates built-in power transistors, synchronous rectification, and low supply current to provide a compact solution for systems using advanced Li-Ion batteries. The RT8581 is capable of supplying significant energy when the battery voltage falls below the voltage required by system power ICs.The RT8581 is designed to provide a minimum output voltage from a single-cell Li-Ion battery, even when the battery voltage is below the system’s minimum voltage requirement. The RT8581 is available in the WQFN-11L 2.5x2 (FC) package. The recommended junction temperature range spans from -40°C to 125°C, while the ambient temperature range extends from -40°C to 85°C.

Applications

  • RF PA Drivers
  • NAND Flashes
  • Backup Power
  • Motor Drivers
  • Optical Sensor Drivers
  • Portable POS Terminals
Datasheet
TitleVersionLast UpdateDownload
RT8581: 10A, Fully Integrated Synchronous Boost ConverterInitial Release2025/01/16
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT8581AFN-B2BWQFN2.5x2-11(FC)3,000 Request Digikey 3,000 Buy
Mouser 0 Lead-Time: 14 weeks
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