DDR Termination Regulators | NCP51199

2 アンプ DDR 終端レギュレータ

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Overview

NCP51199 は、DDR-2 および DDR-3 メモリ・アプリケーションに調整された VTT 終端電圧を供給するように設計されたリニア・レギュレータです。レギュレータは、出力電圧を +-10mV 以内に調整しながら、DDR-2 および DDR-3 用の +-2A のピーク電流を最大 +-1.5A までアクティブにソースおよびシンクできます。出力終端電圧は、PVCC、GND、VREF ピンに接続された 2 つの外部電圧ディバイダ抵抗によって、VDDQ2 を追跡するように調整されます。

  • SDRAM Termination Voltage for DDR2 / DDR3
  • Motherboard, Notebook, and VGA Card Memory Termination
  • Set Top Box, Digital TV, Printers
  • Supports DDR2 VTT Termination to 2 A, DDR3 to 1.5 A (peak
  • Supports DDR VTT Voltages as low as 600 mV at 1.2 A (peak)
  • Integrated Power MOSFETs
  • Stable with 10uF Ceramic Capacitance on VTT Output
  • High Accuracy VTT Output at FullLoad
  • Fast Transient Response
  • Builtin SoftStart
  • Shutdown for Standby or Suspend Mode
  • Integrated Thermal and CurrentLimit Protection

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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DDR Memory Type

IOUT VTT Max (A)

IQ Typ (µA)

VCC Bias Min (V)

VCC Bias Max (V)

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Power Good

Reference Price

NCP51199PDR2G

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CAD Model

Pb

A

H

P

SOIC-8 NB EP

751BU

3

260

REEL

2500

N

DDR

2

800

4.75

5.25

No

No

Price N/A

More Details

NCV51199PDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8 NB EP

751BU

2

260

REEL

2500

Y

DDR3

2

800

4.75

5.25

No

No

$0.245

More Details

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