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UCC28220 Status: ACTIVE

Dual Interleaved PWM Controller with Programmable Max Duty Cycle


      
         
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Datasheet

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 UCC28220
TopologyFlyback, Forward  
Control MethodCurrent Mode  
Duty Cycle(Max)(%)90  
PWM Outputs(#)2  
Frequency(Max)(kHz)2000  
UVLO Thresholds On/Off(V)10.0/8.0  
Pin/Package16SOIC, 16TSSOP  
Regulated Outputs(#)2  
 Samples
 Inventory

Other qualified versions of UCC28220

Version Part Number Definition
Automotive UCC28220-Q1 Q100 devices qualified for high-reliability automotive applications targeting zero defects

Customers Who Evaluated This Product Also Evaluated

  • UC28025: Economy High Speed PWM Controller
  • UCC28221: Dual Interleaved PWM Controller with Programmable Max Duty Cycle
  • UCC3808A-1: Low-Power Current-Mode Push-Pull PWM
  • TPS54612: 3V to 6V, 6A Synchronous Step Down SWIFT™ Converter with 1.2V Output
  • UCC28070: Two-Phase Interleaved CCM PFC Controller
  • UCC27324: Dual 4 A Peak High Speed Low-Side Power MOSFET Drivers

More Related Products

Product Information

Features

  • 2-MHz High Frequency Oscillator with 1-MHz Operation Per Channel
  • Matched Internal Slope Compensation Circuits
  • Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel
  • Peak Current Mode Control with Cycle-by-Cycle Current Limit
  • Current Sense Discharge Transistor for Improved Noise Immunity
  • Accurate Line Under and Over-Voltage Sense with Programmable Hysteresis
  • Opto-Coupler Interface
  • 110-V Internal Start-Up JFET (UCC28221)
  • Operates from 12-V Supply (UCC28220)
  • Programmable Soft-Start
  • APPLICATIONS
    • High Output Current (50-A to 100-A) Converters
    • Maximum Power Density Designs
    • High Efficiency 48-V Input with Low Output Ripple Converters
    • High Power Offline, Telecom and Datacom Power Supplies

Description

The UCC28220 and UCC28221 are a family of BiCMOS interleaved dual channel PWM controllers. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel.

UCC28220 has an UVLO turn-on threshold of 10 V for use in 12-V supplies while UCC28221 has a turn-on threshold of 13 V for systems needing wider UVLO hysteresis. Both have 8-V turn-off thresholds.

Additional features include a programmable internal slope compensation with a special circuit which is used to ensure exactly the same slope is added to each channel and a high voltage 110-V internal JFET for easier startup for the wider hysteresis UCC28221 version.

The UCC28220 is available in both 16-pin SOIC and low-profile TSSOP packages. The UCC28221 also comes in 16-pin SOIC package and a slightly larger 20-pin TSSOP package to allow for high voltage pin spacing to meet UL1950 creepage clearance safety requirements.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
UCC28220DACTIVE-40 to 1051.85 | 1kuSOIC (D) | 16 View 40 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
UCC28220DG4ACTIVE-40 to 1051.85 | 1kuSOIC (D) | 16 View 40 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
UCC28220DRACTIVE-40 to 1051.70 | 1kuSOIC (D) | 16 View 2500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
UCC28220DRG4ACTIVE-40 to 1051.70 | 1kuSOIC (D) | 16 View 2500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
UCC28220PWACTIVE-40 to 1052.20 | 1kuTSSOP (PW) | 16 View 90 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
UCC28220PWG4ACTIVE-40 to 1052.20 | 1kuTSSOP (PW) | 16 View 90 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
UCC28220PWRACTIVE-40 to 1051.70 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
UCC28220PWRG4ACTIVE-40 to 1051.70 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase 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 9:47 AM GMT, 08 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksUCC28220D
AmericasNewark 60
Rochester Electronics 100
AsiaFarnell Asia 288
EuropeAvnet-SILICA 140
Farnell 231
Spoerle 40
TI Lead Time*: 20 WeeksUCC28220DG4
None Reported
View Distributors
TI Lead Time*: 20 WeeksUCC28220DR
None Reported
View Distributors
TI Lead Time*: 20 WeeksUCC28220DRG4
None Reported
View Distributors
TI Lead Time*: 1 WeekUCC28220PW
AmericasNewark 165
Rochester Electronics >1k
AsiaWPI 100
WorldwideDigiKey 117
TI Lead Time*: 1 WeekUCC28220PWG4
WorldwideDigiKey  Available
TI Lead Time*: 1 WeekUCC28220PWR
AmericasRochester Electronics >1k
WorldwideDigiKey  Available
TI Lead Time*: 1 WeekUCC28220PWRG4
WorldwideDigiKey  Available
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
UCC28220D RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220DG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220DR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220DRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
UCC28220PWRG4 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 UCC28220 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
UCC28221 MathCAD Calculation UtilityUCC28221-CALCTexas InstrumentsCalculation Utilities
UCC28221 200-W Evaluation ModuleUCC28221EVMTexas InstrumentsDevelopment Boards/EVMs
UCC28528 Evaluation ModuleUCC28528EVMTexas InstrumentsDevelopment Boards/EVMs

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