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UCC25600 Status: ACTIVE

8-Pin High-Performance Resonant Mode Controller


      
         
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 UCC25600
TopologyResonant, Half-Bridge  
Control MethodVoltage Mode  
Duty Cycle(Max)(%)50  
PWM Outputs(#)2  
Frequency(Max)(kHz)350  
UVLO Thresholds On/Off(V)10.5/9.5  
Pin/Package8SOIC  
Regulated Outputs(#)2  
 Samples
 Inventory

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  • UCC3895: BiCMOS Advanced Phase Shift PWM Controller
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  • UCC28070: Two-Phase Interleaved CCM PFC Controller
  • UCC28061: Natural Interleaving(TM) Transition-Mode PFC Controller with Improved Audible Noise Immunity
  • UCC28019A: 8-Pin Continuous Conduction Mode (CCM) PFC Controller

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Product Information

Features

  • Variable Switching Frequency Control
  • Programmable Minimum Switching Frequency With 4% Accuracy (3% accuracy at temperature range: -20°C to 105°C)
  • Programmable Maximum Switching Frequency
  • Programmable Dead Time for Best Efficiency
  • Programmable Soft-Start Time
  • Easy ON/OFF Control
  • Over-Current Protection
  • Over-Temperature Protection
  • Bias Voltage UVLO and OVP
  • Integrated Gate Driver With 0.4-A Source and 0.8-A Sink Capability
  • Operating Temperature Range: -40°C to 125°C
  • SOIC 8-Pin Package
  • APPLICATIONS
    • 100-W to 1-kW Power Supplies
    • LCD, Plasma and DLP® TVs
    • Adaptors, Computing and ATX Power Supplies
    • Home Audio Systems
    • Electronic Lighting Ballasts

Description

The UCC25600 high performance resonant mode controller is designed for dc-to-dc applications utilizing resonant topologies, especially the LLC half bridge resonant converter. This highly integrated controller implements frequency modulation control and complete system functions in only an 8-pin package. Switching to the UCC25600 will greatly simplify the system design, layout and improve time to market, all at a price point lower than competitive 16-pin device offerings.

The internal oscillator supports the switching frequencies from 30 kHz to 350 kHz. This high accuracy oscillator realizes the minimum switching frequency limiting with 4% tolerance, allowing the designer to avoid "over design" of the power stage and, thus, further reducing overall system cost. The programmable dead time enables zero-voltage switching with minimum magnetizing current. This will maximize system efficiency across a variety of applications. The programmable soft-start timer maximizes design flexibility demanded by the varied requirements of end equipments utilizing a half bridge topology. By incorporating 0.4-A source and 0.8-A sink driving capability, a low cost, reliable gate driver transformer is a real option.

The UCC25600 delivers complete system protection functions including over current, UVLO, bias supply OVP and over temperature protection.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
UCC25600DACTIVE-40 to 1250.80 | 1kuSOIC (D) | 8 View 75 | TUBE
UCC25600DRACTIVE-40 to 1250.70 | 1kuSOIC (D) | 8 View 2500 | LARGE T&RPurchase Samples
UCC25600DRG4ACTIVE-40 to 1250.70 | 1kuSOIC (D) | 8 View 2500 | LARGE 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 9:43 AM GMT, 06 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksUCC25600D
AmericasArrow 375
Newark 254
AsiaFarnell Asia 262
WPI 119
EuropeArrow Northern Europe 440
Avnet-SILICA 800
Farnell 262
Spoerle 375
WorldwideMouser Electronics >1k
TI Lead Time*: 20 WeeksUCC25600DR
AsiaWPI 646
TI Lead Time*: 20 WeeksUCC25600DRG4
None Reported
View Distributors
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** 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
UCC25600D RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC25600DR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC25600DRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView

* 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 UCC25600 Help

Datasheet

Application Notes

View Application Notes for PWM Power Supply Controllers

User Guides

View User Guides for PWM Power Supply Controllers

Tools & Software

NamePart # Company Tool / Software Type
Free Tool: Design Calculation Tool for Converters using UCC25600UCC25600-DESIGN-CALCTexas InstrumentsCalculation Utilities
LLC Resonant Half-Bridge Converter 300-W Evaluation ModuleUCC25600EVMTexas InstrumentsDevelopment Boards/EVMs

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