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UCC3801N - Texas Instruments

Description: Texas Instruments UCC3801N, PWM Current Mode Controller, 1 A, 1000 kHz 8-Pin PDIP

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UCC3801N - Texas Instruments - PCB symbol
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PCB Footprints
UCC3801N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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UCC3801N - Texas Instruments - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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UCC3801N Details

  • Manufacturer Part Number:

    UCC3801N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UCC3801N Frequently Asked Questions (FAQs)

  • TI recommends a compact layout with the UCC3801N placed close to the transformer, and the use of a ground plane to minimize EMI and noise. Additionally, TI provides a reference design and layout guidelines in the application notes.
  • The transformer selection depends on the specific application requirements, such as output power, voltage, and frequency. TI provides a transformer selection guide and recommendations in the application notes and datasheet.
  • The UCC3801N has a high power density, so thermal management is critical. TI recommends using a heat sink with a thermal resistance of <1°C/W, and ensuring good airflow around the device. Additionally, the PCB layout should be designed to minimize thermal resistance.
  • The UCC3801N has a built-in overcurrent protection feature, but additional fault detection and protection circuits may be required depending on the application. TI provides guidelines and examples in the application notes and datasheet.
  • The UCC3801N requires input and output filtering to meet EMI and noise requirements. TI recommends using a pi-filter or a common-mode choke on the input, and a LC filter on the output. The specific filter requirements depend on the application and regulatory requirements.

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UCC3801N 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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