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UCC19411 - Low Power Synchronous Boost Converter

Datasheet Summary

Description

The UCC39411 family of low input voltage, single inductor boost converters is optimized to operate from a single or dual alkaline cell, and steps up to a 3.3V, 5V, or adjustable output at 200mW.

Features

  • 1V Input Voltage Operation Start-up Guaranteed under FULL Load on Main Output, and Operation Down to 0.5V.
  • 200mW Output Power at Battery Voltages as low as 0.8V.
  • Secondary 7V Supply from a Single Inductor.
  • Output Fully Disconnected in Shutdown.
  • Adaptive Current Mode Control for Optimum Efficiency.
  • High Efficiency over Wide Operating Range.
  • 6µA Shutdown Supply Current.
  • Output Reset Function with Programmable Reset Period DE.

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Datasheet preview – UCC19411

Datasheet Details

Part number UCC19411
Manufacturer Unitrode
File Size 141.49 KB
Description Low Power Synchronous Boost Converter
Datasheet download datasheet UCC19411 Datasheet
Additional preview pages of the UCC19411 datasheet.

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Full PDF Text Transcription

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Low Power Synchronous Boost Converter application INFO available UCC19411/2/3 UCC29411/2/3 UCC39411/2/3 PRELIMINARY FEATURES • 1V Input Voltage Operation Start-up Guaranteed under FULL Load on Main Output, and Operation Down to 0.5V • 200mW Output Power at Battery Voltages as low as 0.8V • Secondary 7V Supply from a Single Inductor • Output Fully Disconnected in Shutdown • Adaptive Current Mode Control for Optimum Efficiency • High Efficiency over Wide Operating Range • 6µA Shutdown Supply Current • Output Reset Function with Programmable Reset Period DESCRIPTION The UCC39411 family of low input voltage, single inductor boost converters is optimized to operate from a single or dual alkaline cell, and steps up to a 3.3V, 5V, or adjustable output at 200mW.
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