3 Amp VTT Termination Regulator DDR1, DDR2, DDR3, LPDDR3, DDR4

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Overview

The NCP51402 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 NCP51402 maintains a fast transient response and only requires a minimum output capacitance of 20 µF. The NCP51402 supports a remote sensing function and all power requirements for DDR VTT bus termination. The NCP51402 can also be used in low−power chipsets and graphics processor cores that require dynamically adjustable output voltages.

  • DDR Memory Termination
  • Servers and Networking equipment
  • Graphics Processor Core Supplies
  • Chipset/RAM Supplies as Low as 0.5 V
  • Set Top Boxes, LCD−TV/PDP−TV, Copier/Printers
  • Desktop PC’s, Notebooks, and Workstations
  • 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
  • Fast Load−Transient Response
  • PGOOD − Logic output pin to Monitor VTT Regulation
  • VRI − Reference Input Allows for Flexible Input Tracking Either Directly or Through Resistor Divider
  • EN − Logic input pin for Shutdown mode
  • Built−in Under Voltage Lockout and Over Current Limit

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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

NCP51402MNTXG

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Active

CAD Model

Pb

A

H

P

DFN-10

1

260

REEL

3000

Y

DDR

3

700

2.375

5.5

Yes

Yes

$0.5092

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