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RT7285 Datasheet SynchronousStep-Down Converter

Manufacturer: Richtek

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General Description

The RT7285/A is a synchronous step-down converter with Advanced Constant On-Time (ACOTTM) mode control.

The ACOTTM provides a very fast transient response with few external components.

The low impedance internal MOSFET supports high efficiency operation with wide input voltage range from 4.3V to 18V.

Overview

® RT7285/A 1.5A, 18V, 500kHz ACOTTMSynchronous Step-Down Converter.

Key Features

  • 4.3V to 18V Input Voltage Range.
  • 1.5A Output Current.
  • Advanced Constant On-Time Control.
  • Fast Transient Response.
  • Support All Ceramic Capacitors.
  • Up to 95% Efficiency.
  • 500kHz Switching Frequency.
  • Adjustable Output Voltage from 0.6V to 8V.
  • Cycle-by-Cycle Current Limit.
  • Input Under-Voltage Lockout.
  • Hiccup Mode Under-Voltage Protection.
  • Thermal Shutdown.
  • Power Saving Mode for High Efficiency at Light Load.
  • RoHS Compliant and Hal.

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