Datasheet Texas Instruments TPS51123RGET

ManufacturerTexas Instruments
SeriesTPS51123
Part NumberTPS51123RGET
Datasheet Texas Instruments TPS51123RGET

Dual-Synch Step-Down Controller w/Out-of-Audio Operation 100mA LDO f/Notebook Sys Pwr 24-VQFN -40 to 85

Datasheets

Dual-Synchronous, Step-Down Controller with Out-of-Audioв„ў Operation and 100-mA datasheet
PDF, 1.3 Mb, Revision: E, File published: Feb 15, 2013
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

Packaging

Pin24
Package TypeRGE
Industry STD TermVQFN
JEDEC CodeS-PQFP-N
Package QTY250
CarrierSMALL T&R
Device Marking51123
Width (mm)4
Length (mm)4
Thickness (mm).88
Pitch (mm).5
Max Height (mm)1
Mechanical DataDownload

Parametrics

Control ModeD-CAP
Duty Cycle(Max)93 %
Iout(Max)20 A
Iq(Typ)0.55 mA
Number of Phases1
Operating Temperature Range-40 to 85 C
Package GroupVQFN
RatingCatalog
Regulated Outputs2
Special FeaturesEnable,Light Load Efficiency,Power Good,Synchronous Rectification
Switching Frequency(Max)460 kHz
Switching Frequency(Min)200 kHz
TypeController
Vin(Max)28 V
Vin(Min)5.5 V
Vout(Max)5.5 V
Vout(Min)2 V

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: TPS51123EVM-399
    8A, 8V to 25V Input, 5V and 3.3V Output Dual Synchronous Controller Evaluation Module
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • Intel Celeron P4xxx, U3xxx Reference Design
    PDF, 62 Kb, File published: Jul 22, 2010
  • Intel Core i3, i5, i7 [Arrandale] Reference Design
    PDF, 796 Kb, File published: Jul 21, 2010
    Intel Core i3, i5, i7 Reference Design Application Report
  • Intel ATOM Power Solutions (Rev. A)
    PDF, 57 Kb, Revision: A, File published: May 7, 2009

Model Line

Series: TPS51123 (2)

Manufacturer's Classification

  • Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Controller (External Switch)