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TPS53126 Status: ACTIVE

Dual Sync. Step-Down Controller for Low Voltage Power Rails, 350kHz or 700kHz Frequency


      
         
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 TPS51120 TPS51123 TPS51124 TPS51125 TPS51220 TPS53124 TPS53125 TPS53126
TopologyBuck,D-CAP™ Mode  Buck,D-CAP™ Mode  Buck,D-CAP™ Mode  Buck,D-CAP™ Mode  Buck,D-CAP™ Mode  Buck, D-CAP™Mode  Buck, D-CAP2™ Mode  Buck, D-CAP2™ Mode  
Vin(Min)(V)4.5  5.5  3  5.5  4.5  4.5  4.5  4.5  
Vin(Max)(V)28  28  28  28  28  24  24  24  
Vout(Min)(V)1.05  2.0  0.76  2  1  0.76  0.76  0.76  
Vout(Max)(V)5.5  5.5  5.5  5.5  12  5.5  5.5  5.5  
Regulated Outputs(#)2  2  2  2  2  2  2  2  
Iout(Max)(A)20  20  15  20  20  15  15  15  
Switching Frequency(Max)(kHz)580  460  420  460  1000  380  350  350, 700  
Iq(Typ)(mA)0.75  0.55  0.35  0.55  1.3  0.45  0.45  0.45  
Pin/Package32QFN  24VQFN  24VQFN  24VQFN  32QFN  24VQFN, 28TSSOP  24TSSOP  24TSSOP, 24VQFN  
Thermal ShutdownYes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  
Vout2(Min)(V)1.05  2.0  0.76  2  1  0.76  0.76  0.76  
Vout2(Max)(V)5.5  5.5  5.5  5.5  12  5.5  5.5  5.5  
Iout2(A)20  20  20  20  20  15  15  15  
RatingCatalog  Catalog  Catalog  Catalog  Catalog  Catalog  Catalog  Catalog  
Duty Cycle(Max)(%)88  93  88  93  99  89  89  89  
 SamplesSamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TPS53114: 4.5V to 24V Input, Synchronous Step Down Controller for Low Voltage Power Rails
  • TPS53124: Dual Synchronous Step-Down Controller for Low Voltage Power Rails, 380kHz Frequency
  • TPS51124: Dual, Synchronous Step Down Controller for Low Voltage System Power
  • TPS54620: 4.5V to 17V Input, 6A Synchronous Step Down SWIFT™ Converter
  • TPS51315: 3V to 14V, 10A Synchronous Step Down Converter with D-CAP™ Mode
  • TPS54325: 4.5V to 18V Input, 3A Synchronous Step Down SWIFT™ Converter with D-CAP2™ Mode

More Related Products

Product Information

Features

  • D-CAP2™ Mode Control
    • Fast Transient Response
    • No External Parts Required For Loop Compensation
    • Compatible with Ceramic Output Capacitors
  • High Initial Reference Accuracy (±1%)
  • Low Output Ripple
  • Wide Input Voltage Range: 4.5 V to 24 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(on) Loss-Less Current Sensing
  • Adaptive Gate Drivers with Integrated Boost Diode
  • Internal 1.2 ms Voltage-Servo Soft Start
  • Pre-Biased Soft Start
  • Selectable Switching Frequency: 350 kHz / 700 kHz
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30 mV to 300 mV OCP Threshold Voltage
  • Thermally Compensated OCP by 4000 ppm/C° at ITRIP
  • APPLICATIONS
    • Point-of-Load Regulation in Low Power Systems for Wide Range of Applications
      • Digital TV Power Supply
      • Networking Home Terminal

View All Features in Datasheet

Description

The TPS53126 is a dual, adaptive on-time, D-CAP2 mode synchronous Buck controller. The TPS53126 enables system designers to complete the suite of various end equipment's power bus regulators with a cost effective, low external component count, and low standby current solution. The main control loop for the TPS53126 uses the D-CAP2 mode control which provides a very fast transient response with no external components. The TPS53126 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltages from 0.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
TPS53126PWACTIVE-40 to 852.65 | 1kuTSSOP (PW) | 24 View 60 | TUBEPurchase Samples
TPS53126PWRACTIVE-40 to 852.40 | 1kuTSSOP (PW) | 24 View 2000 | LARGE T&R
TPS53126RGERACTIVE-40 to 852.35 | 1kuVQFN (RGE) | 24 View 3000 | LARGE T&R
TPS53126RGETACTIVE-40 to 852.60 | 1kuVQFN (RGE) | 24 View 250 | SMALL T&RPurchase 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

Reported Distributor Inventory as of 10:13 AM GMT, 20 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksTPS53126PW
AsiaFarnell Asia 240
EuropeFarnell 240
TI Lead Time*: 20 WeeksTPS53126PWR
None Reported
View Distributors
TI Lead Time*: 16 WeeksTPS53126RGER
WorldwideDigiKey >1k
TI Lead Time*: 16 WeeksTPS53126RGET
WorldwideDigiKey 500
Mouser Electronics 250
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
TPS53126PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
TPS53126PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
TPS53126RGER RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS53126RGET 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 TPS53126 Help

Datasheet

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
TPS53114 4.5V to 24V Input, Synchronous Step Down Controller for Low Voltage Power Rails NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS53124 Dual Synchronous Step-Down Controller for Low Voltage Power Rails, 380kHz Frequency NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS51124 Dual, Synchronous Step Down Controller for Low Voltage System Power NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS40195 4.5V to 20V Buck Controller with Synchronization and Power Good NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS51217 3V to 28V Input. 20A Synchronous Step Down Controller with DCAP™ Mode, 340kHz for Notebook Power NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS51163 4.5V to 13.2V Synchronous Buck Controller with High Current Gate Driver, 600kHz NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS53125 Dual Synchronous Step-Down Controller for Low Voltage Power Rails NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS51218 3V to 28V Input. 20A Synchronous Step Down Controller with DCAP™ Mode for Notebook Power Supply NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.
TPS54620 4.5V to 17V Input, 6A Synchronous Step Down SWIFT™ Converter DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS51315 3V to 14V, 10A Synchronous Step Down Converter with D-CAP™ Mode DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS54325 4.5V to 18V Input, 3A Synchronous Step Down SWIFT™ Converter with D-CAP2™ Mode DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS54550 4.5V to 20V, 6A Synchronous Step Down SWIFT™ Converter DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS61170 1.2A Switch, High Voltage Boost Converter in 2x2mm QFN Package DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-UP REGULATORS TI customers also evaluated this product.
TPS71550 Single Output LDO, 50mA, Fixed(5.0V), High Input Voltage, Low Quiescent Current LINEAR REGULATORS-SINGLE CHANNEL LDO TI customers also evaluated this product.
TPS54140 3.5V to 42V Input, 1.5 A Step Down SWIFT™ Converter with Eco-Mode (tm) DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS54331 3A, 28V Input, 570 kHz Step Down SWIFT™ DC/DC Converter with Eco-mode ™ DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.
TPS62110 Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16 DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.

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