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NCV51199 - Termination Regulator

General Description

Pin No.

Input voltage which supplies current to the output pin.

CIN = 470 mF with low ESR.

Key Features

  • include source/sink current limiting, soft.
  • start and on.
  • chip thermal shutdown protection. Features.
  • Supports DDR.
  • 2 VTT Termination to ±2 A, DDR.
  • 3 to ±1.5 A (peak).
  • Stable with 10 mF Ceramic Capacitance on VTT Output.
  • Integrated Power MOSFETs.
  • High Accuracy VTT Output at Full.
  • Load.
  • Fast Transient Response.
  • Built.
  • in Soft.
  • Start.
  • Shutdown for Standby or Suspend Mode.
  • Integr.

📥 Download Datasheet

Datasheet Details

Part number NCV51199
Manufacturer onsemi
File Size 74.59 KB
Description Termination Regulator
Datasheet download datasheet NCV51199 Datasheet

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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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NCP51199, NCV51199 DDR 2-Amp Source / Sink VTT Termination Regulator The NCP/NCV51199 is a linear regulator designed to supply a regulated VTT termination voltage for DDR−2 and DDR−3 memory applications. The regulator is capable of actively sourcing and sinking ±2 A peak currents for DDR−2, and DDR−3 up to ±1.5 A while regulating the VTT output voltage to within ±10 mV. The output termination voltage is regulated to track VDDQ / 2 by two external voltage divider resistors connected to the PVCC, GND, and VREF pins. The NCP/NCV51199 incorporates a high−speed differential amplifier to provide ultra−fast response to line and load transients. Other features include source/sink current limiting, soft−start and on−chip thermal shutdown protection.