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TPS54A20 Datasheet Step Down Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54A20 SLVSCQ8A – DECEMBER 2015 – REVISED APRIL 2016 TPS54A20 8-V to 14-V Input, 10-A, up to 10-MHz SWIFT™ Step Down Converter.

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General Description

The TPS54A20 is a two-phase, synchronous series capacitor buck converter designed for small size, low voltage applications from a 12-V input rail.

This topology uniquely merges a switched capacitor circuit with a two phase buck converter.

Advantages include automatic current balancing between the inductors, lower switching losses which enable high frequency (HF) operation, and voltage step-down through the series capacitor.

Key Features

  • 1 Two-phase, Synchronous Series Capacitor Buck Converter.
  • Automatic Current Balancing Between Phases.
  • 2-MHz to 5-MHz Per Phase Switching Frequency.
  • 14-ns Minimum On-Time.
  • 0.51-V to 2-V Output Voltage Range with ±0.5% Feedback Reference Voltage.
  • Input Overvoltage Lockout for 17-V Surge Protection.
  • Adjustable Current Limit with Auto Restart (Hiccup).
  • Synchronizes to an External Clock.
  • Fixed Frequency in Steady State.

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