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UC3555 Datasheet 500MA HIGH EFFICIENCY BOOST REGULATOR

Manufacturer: Unisonic Technologies

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General Description

The UC3555 is a micropower step-up DC/DC in 8-lead TSSOP package.

It is designed for 2-cell battery powered systems such as digital cameras, cell phones and PDAs.

The regulator starts-up at 1.3V and operates after the start at an input voltage as low as 1V.

Overview

UNISONIC TECHNOLOGIES CO., LTD UC3555 Advance 500MA HIGH EFFICIENCY BOOST REGULATOR WITH ADJUSTABLE OUTPUT, SHUTDOWN AND LOW BATTERY DETECT.

Key Features

  • S.
  • Low power PFM step-up DC/DC.
  • Low input voltage range from 1.6V to 4.5V.
  • Adjustable output voltage from 3V to 5V.
  • 500mA output current.
  • 95% peak Efficiency.
  • internal synchronous rectifier.
  • Low battery detection.
  • Current limited protection.
  • Current Anti-Drawback protection.

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