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ML4894 - Synchronous Buck Controller

Description

The ML4894 synchronous buck controller has been designed to provide high efficiency DC/DC conversion for portable products.

The ML4894 can deliver a fixed 5V output from input voltages of 5.9V to 15V.

Features

  • s s s s Regulation to ±3% maximum Fixed 5V output synchronous buck Wide input voltage range (5.9V to 15V) Power conversion efficiencies of >90% over 3 decades of output current Integrated antishoot-through logic Shutdown control provides load isolation and minimum sleep mode power consumption Low shutdown current s s s BLOCK.

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Datasheet Details

Part number ML4894
Manufacturer Micro Linear
File Size 270.08 KB
Description Synchronous Buck Controller
Datasheet download datasheet ML4894 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Extended al T Commerci 70˚C -20˚C to ent d Equipm le Handhel for Portab ING FEATURem ange perature R September 1996 PRELIMINARY ML4894 Synchronous Buck Controller GENERAL DESCRIPTION The ML4894 synchronous buck controller has been designed to provide high efficiency DC/DC conversion for portable products. The ML4894 can deliver a fixed 5V output from input voltages of 5.9V to 15V. The ML4894 drives external P- and N-channel MOSFETs in a synchronous buck topology, allowing an overall conversion efficiency of greater than 90% over an output current range exceeding three decades, with an output current capability of up to 5A. The regulator can be disabled via the SHDN pin.
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