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SC493 Datasheet EcoSpeed Step-down Controller

Manufacturer: SEMTECH

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General Description

The SC493 is a synchronous EcoSpeedTM buck power supply controller.

It

Overview

POWER MANAGEMENT SC493 EcoSpeedTM Step-down Controller with I2C.

Key Features

  • Input supply voltage range.
  • 3.0V to 28V.
  • Controller supply voltage range.
  • 3.0V to 5.5V.
  • All ceramic solution enabled.
  • I2C interface.
  • Output voltage fine adjust control.
  • Output voltage margining.
  • Supports dynamic voltage transitions via the I2C interface.
  • Programmable power-on delay time and soft-start time.
  • EcoSpeedTM architecture with pseudo fixed-frequency adaptive on-time control.
  • Switching frequency programmable up to 1MHz.

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