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UCC28722DBVR - Texas Instruments

Description: Low-Cost CVCC Flyback Controller With Primary-Side Regulation for Bipolar Power Device

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UCC28722DBVR - Texas Instruments - PCB symbol
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PCB Footprints
UCC28722DBVR - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - PC15/OSC32_OUT
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3D Models
UCC28722DBVR - Texas Instruments - 3D model - SOT23 (6-Pin) - PC15/OSC32_OUT
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UCC28722DBVR Details

  • Manufacturer Part Number:

    UCC28722DBVR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.45 mm

  • Supply Voltage-Max (Vsup):

    35 V

  • Supply Voltage-Min (Vsup):

    9 V

  • Supply Voltage-Nom (Vsup):

    25 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    80 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

UCC28722DBVR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28722DBVR involves keeping the high-frequency switching nodes (e.g., SW node) away from sensitive analog nodes, using a solid ground plane, and minimizing loop areas. TI provides a recommended layout in the datasheet and application notes.
  • Optimizing the compensation network involves selecting the right values for the compensation components (R, C, and L) to achieve stability and desired transient response. TI provides a compensation design tool and application notes to help with this process.
  • The maximum allowed voltage on the VIN pin is 28V, but it's recommended to keep it below 24V for reliable operation. Exceeding this voltage can damage the device.
  • Ensure good thermal design, including a heat sink if necessary, and monitor the device's temperature using the thermal pad (TP) or an external temperature sensor. Keep the TJ below 150°C for reliable operation.
  • The EN (enable) pin is used to enable or disable the converter. Tie the EN pin to VIN to enable the converter, or tie it to GND to disable it. Use a logic signal to control the EN pin for dynamic enable/disable functionality.

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UCC28722DBVR 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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