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UCC2581D - Texas Instruments

Description: Micropower Voltage Mode PWM

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PCB Footprints
UCC2581D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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UCC2581D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G14)
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UCC2581D Details

  • Manufacturer Part Number:

    UCC2581D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    7.4 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    4.06 V

  • Output Voltage-Min:

    3.94 V

  • Output Voltage-Nom:

    4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.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):

    30 mA

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    7.3 V

  • Supply Voltage-Nom (Vsup):

    4 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    100 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

UCC2581D Frequently Asked Questions (FAQs)

  • TI recommends a 4-layer PCB with a solid ground plane, and placing the UCC2581D close to the transformer. Decoupling capacitors should be placed as close to the IC as possible, and the layout should be designed to minimize loop areas and reduce radiation.
  • TI provides a design calculator tool that helps engineers configure the UCC2581D for their specific application. The tool takes into account the input voltage, output voltage, and other parameters to generate a recommended configuration.
  • The UCC2581D has a thermal pad that must be connected to a thermal plane on the PCB. A heat sink may be required for high-power applications. Engineers should also ensure good airflow and avoid blocking airflow around the IC.
  • TI recommends using an oscilloscope to measure the voltage and current waveforms at the input and output of the converter. Engineers should also check the PCB layout and component values to ensure they match the recommended design.
  • Yes, the UCC2581D is a sensitive device and requires proper ESD protection during handling and assembly. Engineers should use an ESD wrist strap or mat, and ensure that the PCB is properly grounded during assembly.

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UCC2581D 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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