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UCC27423D - Texas Instruments

Description: Texas Instruments UCC27423D, Dual MOSFET Power Driver 4A, 4 → 15 V, Inverting, 8-Pin SOIC

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UCC27423D Details

  • Manufacturer Part Number:

    UCC27423D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • High Side Driver:

    NO

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    BUFFER OR INVERTER BASED MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    TOTEM-POLE

  • Output Current-Max:

    4 A

  • Output Peak Current Limit-Nom:

    4 A

  • Output Polarity:

    INVERTED

  • 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:

    1.35 mA

  • Supply Voltage-Max:

    15 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    14 V

  • Surface Mount:

    YES

  • 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

  • Turn-off Time:

    0.05 µs

  • Turn-on Time:

    0.04 µs

  • Width:

    3.9 mm

UCC27423D Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC27423D involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and loops. TI provides a recommended layout in the application note SLUA623.
  • Choose an input capacitor with a voltage rating that exceeds the maximum input voltage, a capacitance value that meets the recommended range (e.g., 10-22 μF), and a low ESR (equivalent series resistance) to minimize voltage ripple. X5R or X7R ceramic capacitors are good options.
  • The maximum ambient temperature for the UCC27423D is 85°C, but the device can operate up to 125°C junction temperature. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Yes, the UCC27423D can be used in a synchronous buck converter configuration. However, ensure that the low-side FET is properly driven and synchronized with the high-side FET to prevent shoot-through currents.
  • The switching frequency of the UCC27423D can be adjusted by changing the value of the RT resistor connected to the RT pin. A smaller RT resistor value increases the switching frequency, while a larger value decreases it.

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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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