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TPS51116-EP - Synchronous Buck Controller

General Description

The TPS51116 provides a complete power supply for DDR/SSTL-2, DDR2/SSTL-18, DDR3/SSTL-15, and LPDDR3 memory systems.

It integrates a synchronous buck controller with a 1-A sink/source tracking linear regulator and buffered low noise reference.

Key Features

  • 1.
  • 2 Synchronous Buck Controller (VDDQ).
  • Wide-Input Voltage Range: 3.0-V to 28-V.
  • D.
  • CAP™ Mode with 100-ns Load Step Response.
  • Current Mode Option Supports Ceramic Output Capacitors.
  • Supports Soft-Off in S4/S5 States.
  • Current Sensing from RDS(on) or Resistor.
  • 2.5-V (DDR), 1.8-V (DDR2), Adjustable to 1.5-V (DDR3) or 1.2-V (LPDDR3) or Output Range 0.75-V to 3.0-V.
  • Equipped with Powergood, Overvoltage Protection and Under.

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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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TPS51116-EP www.ti.com SLUSB52A – OCTOBER 2012 – REVISED NOVEMBER 2012 COMPLETE DDR, DDR2, DDR3, AND LPDDR3 MEMORY POWER SOLUTION SYNCHRONOUS BUCK CONTROLLER, 1-A LDO, BUFFERED REFERENCE Check for Samples: TPS51116-EP FEATURES 1 •2 Synchronous Buck Controller (VDDQ) – Wide-Input Voltage Range: 3.0-V to 28-V – D−CAP™ Mode with 100-ns Load Step Response – Current Mode Option Supports Ceramic Output Capacitors – Supports Soft-Off in S4/S5 States – Current Sensing from RDS(on) or Resistor – 2.5-V (DDR), 1.8-V (DDR2), Adjustable to 1.5-V (DDR3) or 1.2-V (LPDDR3) or Output Range 0.75-V to 3.