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FAN5355 - 3MHz Digitally Programmable Regulator

Description

The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors.

The FAN5355 supports up to 800 mA, 1 A, or 1.1 A load current.

Features

  • 93% Efficiency at 3 MHz.
  • 800 mA, 1 A, or 1.1 A Output Current.
  • I2C™-Compatible Interface up to 3.4 Mbps.
  • 6-bit VOUT Programmable from 0.75 V to 1.975 V.
  • 2.7 V to 5.5 V Input Voltage Range.
  • 3 MHz Fixed-Frequency Operation.
  • Excellent Load and Line Transient Response.
  • Small Size, 1 μH Inductor Solution.
  • ±2% PWM DC Voltage Accuracy.
  • 35 ns Minimum On-Time.
  • High-Efficiency, Low-Ripple, Light-Load PFM.
  • Smooth Transition between PWM and PFM.

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Full PDF Text Transcription

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FAN5355 — 1.1 A / 1 A / 0.8 A, 3 MHz Digitally Programmable Regulator May 2016 FAN5355 1.1 A / 1 A / 0.8 A, 3 MHz Digitally Programmable Regulator Features  93% Efficiency at 3 MHz  800 mA, 1 A, or 1.1 A Output Current  I2C™-Compatible Interface up to 3.4 Mbps  6-bit VOUT Programmable from 0.75 V to 1.975 V  2.7 V to 5.
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