1.5 Amps DDR Termination Regulators

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Overview

The NCP51190 is a simple, cost-effective, high-speed linear regulator designed to generate the VTT termination voltage rail for DDR-I, DDR-II and DDR-III memory. The regulator is capable of actively sourcing or sinking up to +-1.5 A for DDR-I, or up to +-0.5 A for DDR-II, -III while regulating the output voltage to within +-30 mV.

  • Desktop PCs, Notebooks, and Workstations
  • Embedded Systems
  • Graphics Card DDR Memory Termination
  • Set Top Boxes, Digital TVs, Printers
  • Active Bus Termination
  • Generate DDR Memory Termination Voltage (VTT)
  • For DDRI, DDRII, DDRIII Source / Sink Currents
  • Supports DDRI to 1.5 A, DDRII to 0.5 A (peak)
  • Integrated Power MOSFETs with Thermal Protection
  • Stable with 10UF Ceramic VTT Capacitor
  • High Accuracy Output Voltage at FullLoad
  • Minimal External Component Count
  • Shutdown for Standby or Suspend to RAM (STR) mode
  • Builtin Soft Start

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

DDR Memory Type

IOUT VTT Max (A)

IQ Typ (µA)

VCC Bias Min (V)

VCC Bias Max (V)

Remote Sense

Power Good

Reference Price

NCP51190MNTAG

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Obsolete

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

DDR

1.5

380

2.2

5.5

Yes

No

Price N/A

More Details

NCV51190MNTAG

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Last Shipments

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

DDR2

1.5

380

2.2

5.5

Yes

No

Price N/A

More Details

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