Products > Integrated Circuits (ICs) > Power Management ICs > UCC28881D
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UCC28881D

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AC/DC Buck, Buck-Boost, Flyback Off-Line Converter/Controller, 30 Vac to 560 Vac, 4.5 W, SOIC-7

  • Manufacturer :
  • TI
  • Package/Case :
  • SOIC-7
  • Product Categories :
  • AC DC Converters, Offline Switchers
  • RoHs Status:
  • Lead free/RoHS Compliant
  • Marking Code:
  • U28881
  • In-stock:
  • 0

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UCC28881D Product Details

The UCC28881D integrates the controller and a 14-Ω, 700-V power MOSFET into one monolithic device. The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage. UCC28881D is the same family device of UCC28880, with higher current handling capability.

The low quiescent current of the device enables excellent efficiency. With the UCC28881D the most common converter topologies, such as buck, buck-boost and flyback can be built using a minimum number of external components.

The UCC28881D incorporates a soft-start feature for controlled start up of the power stage which minimizes the stress on the power-stage components.

UCC28881D

Feature

  • Integrated 14-Ω, 700-V Power MOSFET
  • Integrated High-Voltage Current Source for Internal Device Bias Power
  • Integrated Current Sense
  • Internal Soft Start
  • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage)
  • Supports Buck, Buck-Boost and Flyback Topologies
  • <100-μA Device Quiescent Current
  • Robust Current Protection During Load Short Circuit
  • Protection
    • Current Limit
    • Overload and Output Short Circuit
    • Over Temperature

UCC28881D Block Diagram
(Picture: Diagram)

Technical Parameters

  • Output Isolation
  • Non-Isolated
  • Internal Switch(s)
  • Yes
  • Voltage Breakdown
  • 700V
  • Topology
  • Buck, Buck-Boost, Flyback
  • Voltage Start Up
  • 3.9V
  • Voltage Supply (Vcc/Vdd)
  • 5V
  • Duty Cycle
  • 55%
  • Frequency Switching
  • 62kHz
  • Power (Watts)
  • 4.5W
  • Fault Protection
  • Current Limiting, Over Load, Over Temperature, Short Circuit
  • Operating Temperature
  • -40??C ~ 125??C (TJ)
  • Package / Case
  • 8-SOIC (0.154, 3.90mm Width), 7 Leads
  • Supplier Device Package
  • 7-SOIC
  • Mounting Type
  • Surface Mount

UCC28881D Documents

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Estimated Delivery Time: Dec 03 - Dec 08 days (choose Expedited at checkout).

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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.

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Guarantees

1.We provide 90 days warranty.

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.

FAQ:

Q: How does Jotrin guarantee that UCC28881D 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 UCC28881D devices; we pay more attention to the channels and quality of UCC28881D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of UCC28881D chips? Including TI original factory information, AC DC Converters, Offline Switchers application, UCC28881D 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 UCC28881D 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 UCC28881D, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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.
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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 UCC28881D?
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 UCC28881D we delivered, we will accept the replacement or return of the UCC28881D 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 UCC28881D.
(3)The UCC28881D 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 UCC28881D datasheet pdf, UCC28881 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

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