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UCC28050D - Texas Instruments

Description: Transition Mode PFC Controller

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UCC28050D Details

  • Manufacturer Part Number:

    UCC28050D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.75 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

  • Width:

    3.9 mm

UCC28050D Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the UCC28050D placed close to the resonant capacitor and the transformer. The layout should also minimize the loop area of the high-frequency currents to reduce EMI. A good starting point is to follow the layout guidelines provided in the UCC28050D evaluation module datasheet.
  • The transformer selection depends on the specific application requirements such as output power, voltage, and frequency. Texas Instruments provides a transformer selection guide in the UCC28050D datasheet, which can be used as a starting point. Additionally, the UCC28050D evaluation module datasheet provides a list of recommended transformers that can be used with the device.
  • The UCC28050D has an operating temperature range of -40°C to 125°C. However, the device can be operated at a higher temperature range with derating. It's recommended to consult the datasheet for the thermal derating curves to ensure reliable operation.
  • The UCC28050D has a built-in OVP feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold can be set by selecting the appropriate resistor values. Texas Instruments provides a detailed application note on implementing OVP with the UCC28050D.
  • The recommended input capacitor value is typically in the range of 1uF to 10uF, depending on the input voltage and current requirements. A low-ESR ceramic capacitor or a film capacitor is recommended due to their low equivalent series resistance (ESR) and high ripple current capability.

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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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