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TPS65270 - Dual Synchronous StepDown Regulator

Description

The TPS65270 is a monolithic, dual synchronous buck regulator with a wide operating input voltage that can operate in 5-V, 9-V, 12-V, or 15-V bus voltages and battery chemistries.

Features

  • 1 Wide Input Supply Voltage Range: 4.5 V to 18 V.
  • 0.8 V, ±1% Accuracy Reference.
  • Up to 2-A (Buck 1) and 3-A (Buck 2) Maximum Continuous Output Loading Current.
  • Low-Power Pulse Skipping Mode to Achieve High Light Load Efficiency.
  • Adjustable Switching Frequency 300 kHz to 1.4 MHz Set by External Resistor.
  • Startup With a Prebiased Output Voltage.
  • Dedicated Enable and Soft Start for Each Buck.
  • Peak Current-Mode Control With Simp.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65270 SLVSAX7E – AUGUST 2011 – REVISED AUGUST 2016 TPS65270 4.5-V to 18-V Input Voltage, 2-A or 3-A Output Current, Dual Synchronous StepDown Regulator With Integrated MOSFET 1 Features •1 Wide Input Supply Voltage Range: 4.5 V to 18 V • 0.8 V, ±1% Accuracy Reference • Up to 2-A (Buck 1) and 3-A (Buck 2) Maximum Continuous Output Loading Current • Low-Power Pulse Skipping Mode to Achieve High Light Load Efficiency • Adjustable Switching Frequency 300 kHz to 1.
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