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AMS4155 Datasheet 2A 24V Step-Down Converter

Manufacturer: Advanced Monolithic Systems

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General Description

The AMS4155 is a 2A 420 kHz step-down converter in a thermally enhanced exposed paddle SO-8 package.

External sync and compensation make the device very flexible for a wide range of applications and external components.

Current mode control provides low ESR ceramic output capacitor stability with cycle by cycle current limit and fast transient response.

Overview

General.

Key Features

  • External Synchronization.
  • Step-Down Converter.
  • External Compensation.
  • Up to 95% Efficiency.
  • Low ESR Ceramic Output Capacitor Stable.
  • Under-Voltage Lockout.
  • 420 kHz Switching Frequency.
  • Cycle by Cycle with Hiccup Over Current Protection.
  • Over-Temperature Shutdown.
  • Up to 2A Output Current.
  • 4.75V to 24V operating range.
  • Thermal Shutdown.
  • Operating Temperature -40°C to 125°C Typical.

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