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UCC28910DR - Texas Instruments

Description: 700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control

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UCC28910DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0007A
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UCC28910DR - Texas Instruments  - 3D model - Small Outline Packages - D0007A
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UCC28910DR Details

  • Manufacturer Part Number:

    UCC28910DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    450 V

  • Input Voltage-Min:

    20 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G7

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.6 A

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    3.4 mA

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    115 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Total Power Output-Max:

    7.5 W

  • Width:

    3.9 mm

UCC28910DR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28910DR involves keeping the input and output stages separate, using a star-ground configuration, and placing the IC close to the input capacitors. Additionally, using a 4-layer PCB with a dedicated ground plane can help reduce EMI.
  • Choose input capacitors with low ESR and high ripple current rating. For output capacitors, select ones with low ESR and high capacitance. The recommended capacitance values are 10uF to 22uF for the input and 22uF to 47uF for the output.
  • The UCC28910DR can operate in an ambient temperature range of -40°C to 85°C. However, the device's junction temperature should not exceed 150°C.
  • The UCC28910DR has a built-in overcurrent protection feature. To implement it, connect a sense resistor (Rs) between the output and the GND pin. The device will shut down when the current through Rs exceeds the overcurrent threshold.
  • Yes, the UCC28910DR can be used in a synchronous rectification topology. However, it requires an external FET driver and a synchronous rectifier FET. The device's SYNC pin can be used to synchronize the switching frequency with the external FET driver.

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UCC28910DR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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