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UC3867N - Texas Instruments

Description: Texas Instruments UC3867N, Dual PWM Voltage Mode Controller, 500 mA, 550 kHz, 16-Pin PDIP Full/Half-Bridge, Push-Pull,

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UC3867N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N(R-PDIP-T)_2021
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UC3867N - Texas Instruments  - 3D model - Dual-In-Line Packages - N(R-PDIP-T)_2021
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UC3867N Details

  • Manufacturer Part Number:

    UC3867N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • 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:

    RESONANT CONTROL

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    4.8 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    32 mA

  • Supply Voltage-Max (Vsup):

    22 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC3867N Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V. However, the optimal value may vary depending on the specific application and input voltage.
  • To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient input capacitor, and add a 1kΩ to 10kΩ resistor in series with the output capacitor to prevent oscillation.
  • The UC3867N can handle up to 3A of output current, but this may vary depending on the input voltage, output voltage, and thermal conditions. It's essential to check the thermal derating curves in the datasheet to ensure the device operates within its safe operating area.
  • The UC3867N is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's essential to consider the thermal management and heat sinking requirements to ensure the device operates within its specified temperature range.
  • The output voltage of the UC3867N can be adjusted by changing the ratio of the resistors R1 and R2 in the feedback network. The output voltage can be calculated using the formula: Vout = 2.5V * (1 + R2/R1).

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UC3867N 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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Part Image UC2867N Texas Instruments

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