clear gifTPS74401, Status:ACTIVE
Single Output LDO, 3.0A, Adj.(0.8 to 3.3V), Fast Transient Response, Programmable SoftStart
 
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Product Features and DescriptionFeaturesRequest Free SamplesSamplesTechnical Documents: app notes, user guides, models, and product bulletinsTechnical Documents
Quality: Product Contents, MTBF/FIT Rate and Moisture SensitivityQuality & Pb-Free DataPrice and Packaging InformationPricing/PackagingDownload Application NotesApplication Notes
related productsRelated ProductsInventory, Leadtime, and AvailabilityInventoryModels: BSDL, IBIS, or SPICESimulation Models
Tools & Software: EVMs, CCStudio, and developerTools & Software Download CAD Design ToolsSymbols/FootprintsAccess Reference DesignsReference Designs

 Datasheet
Download Datasheet
3.0A Ultra-LDO with Programmable Soft-Start (Rev. I) (tps74401.pdf, 856 KB)
11 May 2008 Download

TPS74401
Iout(Max)(A)3  
Vdo(Typ)(mV)115  
Iq(Typ)(mA)3  
Vin(Min)(V)0.8  
Vin(Max)(V)5.5  
Vout Adj(Min)(V)0.8  
Vout Adj(Max)(V)3.5  
Accuracy(%)1  
Output Capacitor TypeCapacitor Free  
Pin/Package20QFN,7DDPAK  
RatingCatalog  
 Samples
 Inventory

Product Information
Back to TopFeatures
  • Soft-Start (SS) Pin Provides a Linear Startup with Ramp Time Set by External Capacitor
  • 1% Accuracy Over Line, Load, and Temperature
  • Supports Input Voltages as Low as 0.9V with External Bias Supply
  • Adjustable Output (0.8V to 3.6V)
  • Ultra-Low Dropout: 115mV at 3.0A (typ)
  • Stable with Any or No Output Capacitor
  • Excellent Transient Response
  • Available in 5mm × 5mm × 1mm QFN and DDPAK-7 Packages
  • Open-Drain Power-Good (QFN only)
  • Active High Enable
  • APPLICATIONS
    • FPGA Applications
    • DSP Core and I/O Voltages
    • Post-Regulation Applications
    • Applications with Special Start-Up Time or Sequencing Requirements
    • Hot-Swap and Inrush Controls

All other trademarks are the property of their respective owners

Back to TopDescription

The TPS74401 low-dropout (LDO) linear regulator provides an easy-to-use robust power management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and well-suited for powering many different types of processors and ASICs. The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility permits the user to configure a solution that will meet the sequencing requirements of FPGAs, DSPs, and other applications with specific start-up requirements.

A precision reference and error amplifier deliver 1% accuracy over load, line, temperature, and process. Each LDO is stable with low-cost ceramic output capacitors and the device is fully specified from -40°C to +125°C. The TPS74401 is offered in a small (5mm × 5mm) QFN package, yielding a highly compact total solution size. For applications that require additional power dissipation, the DDPAK (KTW) package is also available.

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Pricing/Packaging/CAD Design Tools/Samples
Back to TopPricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Budget Price
($US) | QTY
Industry Standard
(TI Pkg)
| Pins
Top Side MarkingStandard Pack Quantity | Package CarrierSymbolsFootprintsSamples
TPS74401KTWRACTIVE-40 to 853.70 | 100uDDPAK (KTW) | 7 View 500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
TPS74401KTWRG3ACTIVE-40 to 853.70 | 100uDDPAK (KTW) | 7 View 500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
TPS74401KTWTACTIVE-40 to 854.10 | 100uDDPAK (KTW) | 7 View 50 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintRequest Free Samples
TPS74401KTWTG3ACTIVE-40 to 854.10 | 100uDDPAK (KTW) | 7 View 50 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintRequest Free Samples
TPS74401RGWRACTIVE-40 to 853.70 | 100uQFN (RGW) | 20 View 3000 | LARGE T&R Download CAD Format for this Symbol Purchase Samples
TPS74401RGWRG4ACTIVE-40 to 853.70 | 100uQFN (RGW) | 20 View 3000 | LARGE T&R Download CAD Format for this Symbol Purchase Samples
TPS74401RGWTACTIVE-40 to 854.10 | 100uQFN (RGW) | 20 View 250 | SMALL T&R Download CAD Format for this Symbol Request Free Samples
TPS74401RGWTG4ACTIVE-40 to 854.10 | 100uQFN (RGW) | 20 View 250 | SMALL T&R Download CAD Format for this Symbol Request Free Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.


Inventory
Back to TopTI Inventory StatusReported Distributor Inventory
TPS74401KTWRAs of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 1000* 842 | 5 Aug 6 Weeks EuropeArrow Northern Europe 500 Buy Now
 6507 | 22 Aug    
 >10k | 2 Oct    
TPS74401KTWRG3As of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 1000* 842 | 5 Aug 6 Weeks None Reported
View Distributors
  
 6507 | 22 Aug    
 >10k | 2 Oct    
TPS74401KTWTAs of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 1543* 9118 | 16 Sep 6 Weeks AmericasMouser Electronics 934 Buy Now
 580 | 23 Sep Newark 220 Buy Now
 >10k | 30 Sep    
TPS74401KTWTG3As of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 1543* 9118 | 16 Sep 6 Weeks AmericasAvnet 500 Buy Now
 580 | 23 Sep Mouser Electronics 41 Buy Now
 >10k | 30 Sep    
TPS74401RGWRAs of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 3576* >10k | 19 Sep 6 Weeks None Reported
View Distributors
  
TPS74401RGWRG4As of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 3576* >10k | 19 Sep 6 Weeks None Reported
View Distributors
  
TPS74401RGWTAs of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 >10k* 4573 | 21 Jul 6 Weeks AmericasArrow 250 Buy Now
 2250 | 23 Jul Avnet >1k Buy Now
 >10k | 16 Sep DigiKey >1k Buy Now
  Mouser Electronics >1k Buy Now
  Newark >1k Buy Now
  AsiaWPI 115 Buy Now
  EuropeAvnet-SILICA 165 Buy Now
TPS74401RGWTG4As of 7:48 AM GMT, 20 Jul 2008As of 7:48 AM GMT, 20 Jul 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 >10k* 4573 | 21 Jul 6 Weeks AmericasAvnet >1k Buy Now
 2250 | 23 Jul Rochester Electronics 250 Buy Now
 >10k | 16 Sep    
View all Distributors
 
* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information. 

Quality & Lead (Pb)-Free Data
Back to TopProduct ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
TPS74401KTWR RoHS Compliant Green (RoHS & no Sb/Br) CU SN Level-3-245C-168 HRViewView
TPS74401KTWRG3 RoHS Compliant Green (RoHS & no Sb/Br) CU SN Level-3-245C-168 HRViewView
TPS74401KTWT RoHS Compliant Green (RoHS & no Sb/Br) CU SN Level-3-245C-168 HRViewView
TPS74401KTWTG3 RoHS Compliant Green (RoHS & no Sb/Br) CU SN Level-3-245C-168 HRViewView
TPS74401RGWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS74401RGWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS74401RGWT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS74401RGWTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details. If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.


Technical Documents
Back to TopDatasheets
3.0A Ultra-LDO with Programmable Soft-Start (Rev. I) (tps74401.pdf, 856 KB)
11 May 2008 Download
Back to TopApplication Notes
A 3-A, 1.2-Vout linear regulator with 80% efficiency and Plost < 1W (slyt254.pdf, 158 KB)
10 Oct 2006 Download
View Application Notes for Single Channel LDO
Back to TopUser Guides
TPS74x01EVM-118 User's Guide (slvu143.pdf, 317 KB)
20 Jun 2006 Download
View User Guides for Single Channel LDO
Back to TopMore Literature
Virtex 5 Reference Design 5V input Bus Design (slvr306.pdf, 92 KB)
31 Jan 2007 Download
Power Management Solutions for Xilinx and Altera FPGAs (slym065.pdf, 1970 KB)
30 Jan 2007 Download
5Vin Solution with 1.5-A Core Supply (Rev. A) (slvr303a.pdf, 196 KB)
05 Jan 2007 Download
View More Literature for Single Channel LDO

Tools & Software
Back to Top Name Part # Company Tool / Software Type
TPS74401 Evaluation ModuleTPS74401EVM-118Texas InstrumentsDevelopment Boards/EVMs

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