DDR Termination Regulators | NCP51145

1.8A Source / Sink VTT DDR Termination Regulator

Obsolete

Datasheet

Products

Overview

The NCP51145 is a linear regulator designed to supply a regulated VTT termination voltage for DDR−II, DDR−III, LPDDR−III and DDR−IV memory applications. The regulator is capable of actively sourcing and sinking ±1.8 A peak currents while regulating an output voltage to within ±20 mV. The output termination voltage is regulated to track VDDQ / 2 by two external voltage divider resistors connectedto the PVCC, GND, and VREF pins.The NCP51145 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.

  • DDR−II / DR−III / DDR−IV SDRAM Termination Voltage
  • Low Power DDR−3LP

  • Motherboard, Notebook, and VGA Card Memory Termination
  • Set Top Box, Digital TV, Printers

  • For DDR VTT Applications, Source/Sink Currents
  • Supports DDR−II to ±1.8 A, DDR−III to ±1.5 A
  • Supports LPDDR−III and DDR−IV to ±1.2 A
  • Stable Using Ceramic−Only (Very Low ESR) Capacitors
  • Integrated Power MOSFETs
  • High Accuracy VTT Output at Full−Load
  • Fast Transient Response
  • Built−in Soft−Start
  • Shutdown for Standby or Suspend Mode
  • Integrated Thermal and Current−Limit Protection

Tools and Resources

Product services, tools and other useful resources related to NCP51145

CAD Model

CAD Model

Material Composition

Product Change Notification

Reliability Data

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

Search

Close Search

Products:

2

Share

Sort by

Product Groups:

┗

Orderable Parts:

2

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

NCP51145MNTAG

Loading...

Obsolete

CAD Model

Pb

A

H

P

DFN-8

506AA

1

260

REEL

3000

N

DDR4

1.8

1000

4.75

5.25

No

No

Price N/A

More Details

NCP51145PDR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-8 NB EP

751BU

2

260

REEL

2500

N

DDR4

1.8

1000

4.75

5.25

No

No

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :

1

Support on the go

Find and compare products, get support and connect with onsemi sales team.

Reliability Data

Die Related Summary Data

Device: NCP51145MNTAG

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

More Details

Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

New Search