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TPS65251 - Synchronous Step-Down Three Buck Switcher

General Description

The TPS65251

Key Features

  • 1 Wide Input Supply Voltage Range (4.5 to 18 V).
  • 0.8 V, 1% Accuracy Reference.
  • Continuous Loading: 3 A (Buck 1), 2 A (Buck 2 and 3).
  • Maximum Current: 3.5 A (Buck 1), 2.5 A (Buck 2 and 3).
  • Adjustable Switching Frequency 300 kHz to 2.2 MHz Set by External Resistor.
  • Dedicated Enable for Each Buck.
  • External Synchronization Pin for Oscillator.
  • External Enable/Sequencing and Soft-Start Pins.
  • Adjustable Current Limit Set B.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS65251 SLVSAA4G – JUNE 2010 – REVISED FEBRUARY 2018 TPS65251 4.5-V to 18-V Input, High-Current, Synchronous Step-Down Three Buck Switcher With Integrated FET 1 Features •1 Wide Input Supply Voltage Range (4.5 to 18 V) • 0.8 V, 1% Accuracy Reference • Continuous Loading: 3 A (Buck 1), 2 A (Buck 2 and 3) • Maximum Current: 3.5 A (Buck 1), 2.5 A (Buck 2 and 3) • Adjustable Switching Frequency 300 kHz to 2.