Products > Integrated Circuits (ICs) > Power Management ICs > UCC25630-3DDBR

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AC to DC Switching Converter 1000kHz T/R 14-Pin SOIC

Manufacturer : TI
Package/Case : SOP14
Product Categories : Power Management,Offline and Isolated DC/DC Controllers and Converters , PWM and Resonant Controller
Datasheet: UCC25630-3DDBR Datasheet (PDF)
RoHs Status: Lead free/RoHS Compliant
In-stock: 0


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UCC25630-3DDBR Product Details

LLC Resonant Controller Enabling Low Standby Power 14-SOIC -40 to 125



  • Hybrid Hysteretic Control (HHC)
    • Best-in-Class Transient Response
    • Easy CompensationDesign
  • Optimized Low Power Enable 75 mWStandby Power Design with PFC on
    • Advanced Burst ModeOpto-Coupler Low Power Operation
    • Helps Enable Compliance to CoC Tier IIStandard
  • Fast Exit from BurstMode
  • Improved Capacitive Region Avoidance Scheme
  • Adaptive Dead-Time
  • Internal High-Side Gate Drivers(0.6-A and 1.2-A Capability)
  • Robust Soft Start with No HardSwitching
  • Over Temperature, Output Over Voltage, Input Over and Under Voltage Protection with Three Levels of Over Current Protections
  • Wide Operating Frequency Range(35 kHz to 1 MHz)
  • LLC Resonant Controller in SOIC16with High Voltage Clearance
  • External BiasRequired
  • Create a Custom Design Using the UCC256303 With theWEBENCH? Power Designer

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The UCC256303 is a fully featured LLC controller with integrated high-voltage gatedriver. It has been designed to pair with a PFC stage to provide a complete power system using aminimum of external components. The resulting power system is designed to meet the most stringentrequirements for standby power without the need for a separate standby power converter, and withPFC stage running all the time. UCC256303 includes a range of features designed to make LLCconverter operation well controlled and robust. This device aims to unburden the LLC designer andallow mainstream applications to benefit from efficiency advantages of the LLC topology.

UCC256303 uses hybrid hysteretic control to provide best in class line and load transientresponse. The control effort is approximately linearly proportional to average input current in onecycle. The control makes the open loop transfer function a first order system so that it’s veryeasy to compensate. The system is always stable with proper frequency compensation.

UCC256303 provides a high efficient burst mode with consistent burst power level duringeach burst on cycle. The burst power level is programmable and adaptively changes with inputvoltage, making the optimization of efficiency very easy.

UCC25630-3DDBR Block Diagram
(Picture: Diagram)

Technical Parameters

  • Frequency(Max)(kHz)
  • 1000
  • Rating
  • Catalog
  • Operating Temperature Range(C)
  • -40 to 125
  • Topology
  • Half-Bridge,Resonant LLC
  • Duty Cycle(Max)(%)
  • 50
  • Package Group
  • SOIC
  • Features
  • Light Load Efficiency,Low Power,Soft Start,Soft Switching,Thermal Shutdown
  • Approx. Price (US$)
  • 0.90 | 1ku
  • Frequency(Min)(kHz)
  • 35
  • Gate Drive(Typ)(A)
  • 0.6
  • Vin(Max)(V)
  • 600
  • Control Method
  • Current

UCC25630-3DDBR Datasheet

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    alles super und schnell.gerne wieder

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Q: How to find the detailed information of UCC25630-3DDBR chips? Including TI original factory information, Power Management,Offline and Isolated DC/DC Controllers and Converters , PWM and Resonant Controller application, UCC25630-3DDBR pictures?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the UCC256303DDBR we delivered, we will accept the replacement or return of the UCC25630-3DDBR only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
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