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UC3875N - Texas Instruments

Description: Phase shift resonant controller,UC3875N

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UC3875N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N(R-PDIP-T**)
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UC3875N - Texas Instruments  - 3D model - Dual-In-Line Packages - N(R-PDIP-T**)
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UC3875N Details

  • Manufacturer Part Number:

    UC3875N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    CAN ALSO BE CONFIGURED IN CURRENT MODE; PWM CONTROL TECHNIQUE ALSO POSSIBLE

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    RESONANT CONTROL

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    11 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    5.08 V

  • Output Voltage-Min:

    4.92 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    30 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    1000 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

UC3875N Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V. This ensures stable operation and reduces noise.
  • The output voltage is set by the resistive divider network R1 and R2. The formula is: Vout = 2.5V * (1 + R2/R1). Choose R1 and R2 values to achieve the desired output voltage.
  • The maximum input voltage for the UC3875N is 40V. Exceeding this voltage may damage the device.
  • The UC3875N is rated for operation up to 125°C. However, it's essential to ensure proper thermal management and consider derating the device for high-temperature applications.
  • To ensure stability, use a minimum output capacitance of 10uF, and ensure the output voltage is within the recommended range. Also, use a low-ESR capacitor and keep the layout compact to minimize parasitic inductance.

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UC3875N 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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For a full list of alternate parts for UC3875N, check out Findchips.com