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TPS56428 - 4-A Sync. Step-Down Converter

Description

The TPS56428 is a D-CAP2 mode synchronous buck converter which is optimized for various power bus regulation needs with a cost effective, low component count, low standby current solution.

The D-CAP2 mode control provides a fast transient response with no external compensation components.

Features

  • 1 D-CAP2™ Mode at 650kHz Switching for Fast Transient Response, Ceramic Capacitor Support.
  • VIN Input Voltage Range: 4.5 V to 18 V.
  • Output Voltage Range: 0.6 V to 7.0 V.
  • Advanced Eco-mode for High Light Load Efficiency.
  • Integrated FETs Optimized for Lower Duty Cycle.
  • 68 mΩ (High Side) and 37 mΩ (Low Side).
  • Shutdown Current Less Than 10 μA.
  • 1% Initial Reference Voltage Accuracy.
  • Soft Start with Pre-Bias Output Support.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS56428 SLVSBV4B – APRIL 2013 – REVISED OCTOBER 2015 TPS56428 4.5-V to 18-V Input, 4-A Sync. Step-Down Converter with Advanced Eco-mode™ 1 Features •1 D-CAP2™ Mode at 650kHz Switching for Fast Transient Response, Ceramic Capacitor Support • VIN Input Voltage Range: 4.5 V to 18 V • Output Voltage Range: 0.6 V to 7.0 V • Advanced Eco-mode for High Light Load Efficiency • Integrated FETs Optimized for Lower Duty Cycle – 68 mΩ (High Side) and 37 mΩ (Low Side) • Shutdown Current Less Than 10 μA • 1% Initial Reference Voltage Accuracy • Soft Start with Pre-Bias Output Support • Cycle By Cycle Over Current Limit • Power Good Output • Fixed Soft Start : 1.
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