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UC2578DPTR - Texas Instruments

Description: Switching Controllers Buck PWM Stepdown Vltg Reg

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PCB Footprints
UC2578DPTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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3D Models
UC2578DPTR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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UC2578DPTR Details

  • Manufacturer Part Number:

    UC2578DPTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1999-11-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    72 V

  • Input Voltage-Min:

    11 V

  • Input Voltage-Nom:

    14 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.89 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.2 A

  • Output Voltage-Max:

    62 V

  • Output Voltage-Min:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.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):

    14 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    100 kHz

  • Technology:

    BIPOLAR

  • 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

UC2578DPTR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the high-frequency traces short and away from the analog circuits. Additionally, use a common mode choke and ferrite beads to filter the input and output lines.
  • The UC2578DPTR has a thermal pad that must be connected to a heat sink or a thermal plane on the PCB. Ensure good thermal conductivity by using a thermal interface material and a heat sink with a thermal resistance of less than 10°C/W.
  • The maximum allowed voltage on the VCC pin is 15V. To protect against overvoltage, use a voltage regulator with overvoltage protection, such as the TLV703, and add a zener diode or a TVS diode to clamp the voltage.
  • Use the TI Webench tool or the UC2578DPTR datasheet's design equations to calculate the required resistor values for the desired output voltage and current. Ensure the output voltage is within the recommended range of 1.2V to 12V.
  • Use a low-ESR ceramic capacitor with a value of 10uF to 22uF, and a voltage rating of at least 25V. The capacitor should be placed close to the VIN pin and the GND pin.

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UC2578DPTR 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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