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NCP51401 - Termination Regulator

Description

VTT External Reference Input ( set to VDDQ / 2 thru resistor network ).

Power input.

Internally connected to the output source MOSFET.

Features

  • Input Voltage Rails: Supports 2.5 V, 3.3 V and 5 V Rails.
  • PVCC Voltage Range: 1.1 to 3.5 V.
  • Integrated Power MOSFETs.
  • Source and Sink Termination Regulator with Droop Compensation.
  • Fast Load.
  • Transient Response.
  • PGOOD.
  • Logic output pin to Monitor VTT Regulation.
  • EN.
  • Logic input pin for Shutdown mode.
  • VRI.
  • Reference Input Allows for Flexible Input Tracking Either Directly or Through Resistor.

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Datasheet preview – NCP51401

Datasheet Details

Part number NCP51401
Manufacturer ON Semiconductor
File Size 409.43 KB
Description Termination Regulator
Datasheet download datasheet NCP51401 Datasheet
Additional preview pages of the NCP51401 datasheet.

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Full PDF Text Transcription

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3 Amp VTT Termination Regulator DDR1, DDR2, DDR3, LPDDR3, DDR4 NCP51401 The NCP51401 is a source/sink Double Data Rate (DDR) termination regulator specifically designed for low input voltage and low−noise systems where space is a key consideration. The NCP51401 maintains a fast transient response and only requires a minimum output capacitance of 20 mF. The NCP51401 supports a remote sensing function and all power requirements for DDR VTT bus termination. The NCP51401 can also be used in low−power chipsets and graphics processor cores that require dynamically adjustable output voltages. The NCP51401 is available in the thermally−efficient DFN10 Exposed Pad package, and is rated both Green and Pb−free. Features • Input Voltage Rails: Supports 2.5 V, 3.
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