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UCC28730DR - Texas Instruments

Description: Zero Standby PSR Flyback Controller with CVCC and Wake-Up Monitoring

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UCC28730DR - Texas Instruments - PCB symbol
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PCB Footprints
UCC28730DR - Texas Instruments PCB footprint - Other - Other - D(R-PDSO-G7)
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3D Models
UCC28730DR - Texas Instruments - 3D model - Other - D(R-PDSO-G7)
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UCC28730DR Details

  • Manufacturer Part Number:

    UCC28730DR

  • 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:

    RESONANT CONTROL

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    27 V

  • Input Voltage-Nom:

    25 V

  • JESD-30 Code:

    R-PDSO-G7

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Max:

    48 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 Voltage-Nom (Vsup):

    25 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    83 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

  • Width:

    3.9 mm

UCC28730DR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28730DR involves keeping the high-frequency switching nodes (e.g., SW and VIN) 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 (R1, R2, C1, and C2) based on the specific application requirements. TI provides a compensation calculator tool and application notes to help with this process.
  • The maximum output current capability of the UCC28730DR depends on the specific application and thermal design. However, the device is rated for up to 10A output current, and the actual capability will depend on the thermal design and cooling system used.
  • The UCC28730DR has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. Additionally, external protection circuits can be added to provide extra protection against overvoltage and undervoltage conditions.
  • The recommended input capacitor type is a low-ESR ceramic capacitor with a value of 10uF to 22uF, depending on the specific application requirements and input voltage ripple.

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UCC28730DR 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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UCC28730DR Alternates

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Part Image UCC28730QDRQ1 Texas Instruments

Switching Controller, Current/voltage-mode, 83kHz Switching Freq-Max, PDSO7
Part Image UCC28730D Texas Instruments

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