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AC to DC Switching Converter 4.8V 625kHz T/R 8-Pin SOIC

Manufacturer : TI
Package/Case : SOIC (D) | 8
Product Categories : AC/DC Converter
Datasheet: UCC24624DR Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
In-stock: 0


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UCC24624DR Product Details

The UCC24624DR high-performance synchronous rectifier (SR) controller is dedicated forLLCresonant converters to replace the lossy diode output rectifiers with SR MOSFETs andimprove the overall system efficiency.

The UCC24624DR SR controller uses drain-to-source voltage sensing method to achieve on andoff control of the SR MOSFET. Proportional gate drive is implemented to extend the SR conductiontime, minimize the body diode conduction time. To compensate for the offset voltage caused by theSR MOSFET parasitic inductance, the UCC24624DR implements an adjustable positive turn-off thresholdto accommodate different SR MOSFET packages. UCC24624DR has a built-in 475-ns on-time blanking and afixed 650-ns off-time blanking to avoid SR false turn-on and turn-off. UCC24624DR also integrates atwo-channel interlock function that prevents the two SRs from being on at the same time. With 230-Vvoltage-sensing pins and 28-V ABS maximum VDD rating, it can be directly used in converters withoutput voltage up to 24.75 V. The internal clamp allows the controller to support 36-V outputvoltage easily by adding an external current limiting resistor on VDD.

With the built-in standby mode detection based on average switching frequency, UCC24624enters the standby mode automatically without using external components. The low standby modecurrent of 180 μA supports meeting modern no-load power consumption requirements suchas CoC, and DoE regulations. UCC24624DR can be used with theUCC25630x LLC andUCC28056 PFC controllers to achieve highefficiency while maintaining excellent light load and no-load performances. Other PFC controllers,such as UCC28064A,UCC28180, andUCC28070 can be used to achieve higherpower levels. 1.5-A peak source and 4-A peak sink driving capability allows UCC24624DR to support LLCconverters up to 1 kW.



  • 230-V VD Pins Rating
  • 23-ns Turn-Off Delay to Support LLC Operating Above Resonant Frequency and Up to 625-kHz Switching Frequency
  • Proportional Gate Drive to Extend the SR Conduction Time
  • Adjustable Turn-Off Threshold for Minimum Body Diode Conduction
  • Automatic Standby Mode Detection With 180 μA of Low Standby Current
  • Wide 4.25-V to 26-V VDD Operation Range With Internal Clamp
  • Adaptive Turn-on Delay for Better DCM Ring Rejection
  • Two-Channel Interlock to Prevent Shoot-Through
  • Integrated 1.5-A Source and 4-A Sink Capability Gate Driver for N-Channel MOSFETs
  • 8-Pin SOIC Package

UCC24624DR Products

UCC24624DR Block Diagram
(Picture: Diagram)

Technical Parameters

  • Manufacturer
  • TI
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • SOIC (D) | 8

UCC24624DR Datasheet

UCC24624DR Equivalent Parts

For the UCC24624DR component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description

UCC24624DR Related Products

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Estimated Delivery Time: Jun 19 - Jun 24 days (choose Expedited at checkout).

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  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that UCC24624DR is the original manufacturer or agent of TI?
We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their UCC24624DR devices; we pay more attention to the channels and quality of UCC24624DR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of UCC24624DR chips? Including TI original factory information, AC/DC Converter application, UCC24624DR pictures?
You can use Jotrin's intelligent search engine, or filter by Semiconductors ; Power management ; Offline & isolated DC/DC controllers & converters category, or find it through TI brand manufacturer page.
Q: Are the TI's UCC24624DR price and stock displayed on the platform accurate?
The TI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for UCC24624DR, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of UCC24624DR?
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 UCC24624DR we delivered, we will accept the replacement or return of the UCC24624DR 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.
(2)We are informed of the defect described above within 90 days after the delivery of UCC24624DR.
(3)The UCC24624DR is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as UCC24624DR datasheet pdf, UCC24624 pin diagram?
Need any After-Sales service, please feel free contact us:

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