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FAN53540 - Synchronous Buck Regulator

Description

The FAN53540 is a step-down switching voltage regulator that delivers an adjustable output from an input voltage supply of 2.7 V to 5.5 V.

Features

  • 2.4 MHz Fixed-Frequency Operation.
  • Best-in-Class Load Transient Response.
  • 5 A Output Current Capability.
  • 2.7 V to 5.5 V Input Voltage Range.
  • Adjustable Output Voltage: 0.8V to 90% of VIN.
  • PFM Mode for High Efficiency in Light Load (Forced PWM Available on MODE Pin).
  • 50 µA Typical Quiescent Current in PFM Mode.
  • External Frequency Synchronization.
  • Low Ripple Light-Load PFM Mode with Forced PWM Control.
  • Power Good Output.
  • Internal Soft-Start.

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Full PDF Text Transcription

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FAN53540 — 2.4 MHz, 5 A TinyBuck™ Synchronous Buck Regulator July 2014 FAN53540 2.4 MHz, 5 A TinyBuck™ Synchronous Buck Regulator Features  2.4 MHz Fixed-Frequency Operation  Best-in-Class Load Transient Response  5 A Output Current Capability  2.7 V to 5.5 V Input Voltage Range  Adjustable Output Voltage: 0.
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