feedback
Rate this webpage
Need
Support?

NCP51145: 1.8A Source / Sink VTT DDR Termination Regulator

Datasheet: DDR 1.8 A Source / Sink VTT Termination Regulator
Rev. 3 (76kB)
Product Overview
»View Reliability Data
»View Material Composition
» Product Change Notification
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 connected to 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.
Features
 
  • 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
Applications   End Products
  • 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
Technical Documentation & Design Resources
Tutorials (1) Package Drawings (2)
Data Sheets (1)  
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP51145MNTAG Active
Pb-free
Halide free
NCP51145 DFN-8 506AA 1 260 Tape and Reel 3000 $0.2787
NCP51145PDR2G Active
Pb-free
Halide free
NCP51145 SOIC-8 NB EP 751BU 2 260 Tape and Reel 2500 $0.1377
Market Leadtime (weeks) : 2 to 4
ON Semiconductor   (2020-09-02 00:00) : 24,000
Market Leadtime (weeks) : 2 to 4
ON Semiconductor   (2020-09-02 00:00) : 87,500

Product
Description
Pricing ($/Unit)
Compliance
Status
DDR Memory Type
IOUT VTT Max (A)
IQ Typ (µA)
VCC Bias Min (V)
VCC Bias Max (V)
Remote Sense
Power Good
Package Type
NCP51145MNTAG  
 $0.2787 
Pb
H
 Active   
DDR
DDR2
DDR3
DDR4
1.8
1000
4.75
5.25
No
No
DFN-8
NCP51145PDR2G  
 $0.1377 
Pb
H
 Active   
DDR
DDR2
DDR3
DDR3L
DDR4
1.8
1000
4.75
5.25
No
No
SOIC-8 NB EP
Case Outlines
751BU    506AA   
Previously Viewed Products
Clear List

Your request has been submitted for approval.
Please allow 2-5 business days for a response.
You will receive an email when your request is approved.
Request for this document already exists and is waiting for approval.