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UC3524N - Rochester Electronics

Description: SWITCHING CONTROLLER

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UC3524N - Rochester Electronics - PCB symbol
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PCB Footprints
UC3524N - Rochester Electronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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UC3524N - Rochester Electronics - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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UC3524N Details

  • Manufacturer Part Number:

    UC3524N

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    GREEN, PLASTIC, DIP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Rochester Electronics LLC

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    20 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:

    0.1 A

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    5.08 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC3524N Frequently Asked Questions (FAQs)

  • A good PCB layout for the UC3524N involves keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a separate analog and digital ground plane to minimize noise coupling.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, use a compensation network (Rc and Cc) to stabilize the feedback loop, and ensure the output voltage is within the specified range.
  • The UC3524N can deliver up to 1.5A of output current, but this is dependent on the input voltage, output voltage, and thermal considerations. It's recommended to derate the output current based on the specific application requirements.
  • The UC3524N is rated for operation up to 125°C, but it's recommended to derate the output current and ensure proper thermal management to prevent overheating. Additionally, consider using a heat sink or thermal interface material to improve heat dissipation.
  • To troubleshoot issues with the UC3524N, use an oscilloscope to monitor the output voltage and current waveforms. Check for signs of oscillation, such as ringing or high-frequency noise, and verify that the input voltage and output voltage are within the specified ranges. Also, check the PCB layout and component values to ensure they match the recommended values in the datasheet.

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UC3524N Overview

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