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REG101-25 Status: ACTIVE

Single Output LDO, 100mA, Fixed(2.5V), Low Noise, Fast Transient Response


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Datasheet

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 REG101-25REG101-28 REG101-285 REG101-3 REG101-33 REG101-5 REG101-A 
Iout(Max)(A)0.1  0.1  0.1  0.1  0.1  0.1  0.1  
Vdo(Typ)(mV)60  60  60  60  60  60  60  
Iq(Typ)(mA)0.4  0.4  0.4  0.4  0.4  0.4  0.4  
Vin(Min)(V)1.8  1.8  1.8  1.8  1.8  1.8  1.8  
Vin(Max)(V)10  10  10  10  10  10  10  
Vout(Min)(V)2.5  2.8  2.85  3  3.3  5   
Vout(Max)(V)2.5  2.8  2.85  3  3.3  5   
Vout Adj(Min)(V)      2.5  
Vout Adj(Max)(V)      5.5  
Accuracy(%)1.5  1.5  1.5  1.5  1.5  1.5  1.5  
Output Capacitor TypeCapacitor Free  Capacitor Free  Capacitor Free  Capacitor Free  Capacitor Free  Capacitor Free  Capacitor Free  
Fixed Output Options(V)2.5  2.8  2.85  3  3.3  5   
Pin/Package5SOT-23, 8SOIC  5SOT-23, 8SOIC  5SOT-23, 8SOIC  5SOT-23, 8SOIC  5SOT-23, 8SOIC  5SOT-23, 8SOIC  5SOT-23, 8SOIC  
RatingCatalog  Catalog  Catalog  Catalog  Catalog  Catalog  Catalog  
Regulated Outputs(#)1  1  1  1  1  1  1  
 SamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventoryInventory

Product Information

Features

  • NEW DMOS TOPOLOGY:
    • Ultra Low Dropout Voltage:
      • 60mV typ at 100mA
      • Output capacitor NOT required for stability
  • FAST TRANSIENT RESPONSE
  • VERY LOW NOISE: 23 µVrms
  • HIGH ACCURACY: ±1.5% max
  • HIGH EFFICIENCY:
    • IGND = 500 µA at IOUT = 100mA
    • Not Enabled: IGND = 10nA
  • 2.5V,2.8V,2.85V,3.0V,3.3V,5.0V,AND ADJUSTABLE OUTPUT VERSIONS
  • OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST
  • FOLDBACK CURRENT LIMIT
  • THERMAL PROTECTION
  • SMALL SURFACE-MOUNT PACKAGES:
    • SOT23-5 and SO-8
  • APPLICATIONS
    • PORTABLE COMMUNICATION DEVICES
    • BATTERY-POWERED EQUIPMENT
    • PERSONAL DIGITAL ASSISTANTS

View All Features in Datasheet

Description

The REG101 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low dropout voltage (only 60mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low-dropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1µF.

Typical ground pin current is only 500µA (at IOUT = 100mA) and drops to 10nA when not in enabled mode. Unlike regulators with PNP pass devices, quiescent current remains relatively constant over load variation and under dropout conditions.

The REG101 has very low output noise (typically 23µVrms for VOUT = 3.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusPrice | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
REG101NA-2.5/250ACTIVE1.30 | 1kuSOT-23 (DBV) | 5 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
REG101NA-2.5/250G4ACTIVE1.30 | 1kuSOT-23 (DBV) | 5 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintContact TI Distributor or Sales Office
REG101NA-2.5/3KACTIVE1.15 | 1kuSOT-23 (DBV) | 5 View 3000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
REG101NA-2.5/3KG4ACTIVE1.15 | 1kuSOT-23 (DBV) | 5 View 3000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
REG101UA-2.5ACTIVE1.25 | 1kuSOIC (D) | 8 View 75 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
REG101UA-2.5G4ACTIVE1.25 | 1kuSOIC (D) | 8 View 75 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint

* 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

Reported Distributor Inventory as of 11:36 AM GMT, 20 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 14 WeeksREG101NA-2.5/250
AmericasArrow 300
Rochester Electronics 750
EuropeArrow Northern Europe 750
Compel 264
EBV Elektronik 125
WorldwideDigiKey 427
Mouser Electronics 211
TI Lead Time*: 14 WeeksREG101NA-2.5/250G4
WorldwideDigiKey  Available
TI Lead Time*: 14 WeeksREG101NA-2.5/3K
AmericasRochester Electronics >1k
WorldwideDigiKey  Available
TI Lead Time*: 14 WeeksREG101NA-2.5/3KG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksREG101UA-2.5
AmericasArrow 52
Rochester Electronics >1k
WorldwideDigiKey 342
Mouser Electronics 186
TI Lead Time*: 20 WeeksREG101UA-2.5G4
WorldwideDigiKey  Available
Mouser Electronics 300
View all Distributors  

** 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

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
REG101NA-2.5/250 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
REG101NA-2.5/250G4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
REG101NA-2.5/3K RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
REG101NA-2.5/3KG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
REG101UA-2.5 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
REG101UA-2.5G4 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

Most useful technical documents for REG101-25 Help

Datasheet

Application Notes

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User Guides

View User Guides for Single Channel LDO

More Literature

View More Literature for Single Channel LDO

Tools & Software

NamePart # Company Tool / Software Type
DEM-SOT23LDO Compatible with Most Positive-Output LDO Regulators in 5- or 6-Lead SOT23 (DBV) PkgDEM-SOT23LDOTexas InstrumentsDevelopment Boards/EVMs
SOT23 LDO, 5 V to 1.0 V, 100mA output power supplyTPS76933EVM-127Texas InstrumentsDevelopment Boards/EVMs
SOT23 LDO, 5 V to 1.8 V, 100mA output power supplyTPS76901EVM-127Texas InstrumentsDevelopment Boards/EVMs
SOT23 LDO, 5 V to 3.3 V, 100mA output power supplyTPS76918EVM-127Texas InstrumentsDevelopment Boards/EVMs
TPS76xxxEVM-125 Universal SOT-23 LDO Evaluation ModuleTPS76XXXEVM-125Texas InstrumentsDevelopment Boards/EVMs
TPS79301 Evaluation ModuleTPS79301EVMTexas InstrumentsDevelopment Boards/EVMs
TPS79328 Evaluation ModuleTPS79328EVMTexas InstrumentsDevelopment Boards/EVMs

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