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TPS51216 - Memory Power Solution Synchronous Buck Controller

General Description

The TPS51216 provides a complete power supply for DDR2, DDR3 and DDR3L memory systems in the lowest total cost and minimum space.

It integrates a synchronous buck regulator controller (VDDQ) with a 2-A sink/source tracking LDO (VTT) and buffered low noise reference (VTTREF).

Key Features

  • 1.
  • 2 Synchronous Buck Controller (VDDQ).
  • Conversion Voltage Range: 3 V to 28 V.
  • Output Voltage Range: 0.7 V to 1.8 V.
  • 0.8% VREF Accuracy.
  • D-CAP™ Mode for Fast Transient Response.
  • Selectable 300 kHz/400 kHz Switching Frequencies.
  • Optimized Efficiency at Light and Heavy Loads with Auto-skip Function.
  • Supports Soft-Off in S4/S5 States.
  • OCL/OVP/UVP/UVLO Protections.
  • Powergood Output.
  • 2-A LDO(VTT), Buffe.

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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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www.ti.com TPS51216 SLUSAB9A – NOVEMBER 2010 – REVISED APRIL 2013 Complete DDR2, DDR3 and DDR3L Memory Power Solution Synchronous Buck Controller, 2-A LDO, Buffered Reference Check for Samples: TPS51216 FEATURES 1 •2 Synchronous Buck Controller (VDDQ) – Conversion Voltage Range: 3 V to 28 V – Output Voltage Range: 0.7 V to 1.8 V – 0.8% VREF Accuracy – D-CAP™ Mode for Fast Transient Response – Selectable 300 kHz/400 kHz Switching Frequencies – Optimized Efficiency at Light and Heavy Loads with Auto-skip Function – Supports Soft-Off in S4/S5 States – OCL/OVP/UVP/UVLO Protections – Powergood Output • 2-A LDO(VTT), Buffered Reference(VTTREF) – 2-A (Peak) Sink and Source Current – Requires Only 10-μF of Ceramic Output Capacitance – Buffered, Low Noise, 10-mA VTTREF Output – 0.