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UC3525BN - Texas Instruments

Description: Texas Instruments UC3525BN, Dual PWM Voltage Mode Controller, 400 mA, 400 kHz, 16-Pin PDIP

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UC3525BN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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UC3525BN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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UC3525BN Details

  • Manufacturer Part Number:

    UC3525BN

  • 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:

    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:

    0.5 A

  • Output Voltage-Max:

    5.164 V

  • Output Voltage-Min:

    5.036 V

  • Output Voltage-Nom:

    5.1 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):

    20 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • 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

UC3525BN Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC3525BN is 12V to 35V, with a maximum voltage rating of 40V.
  • To ensure stable operation, ensure that the input voltage is within the recommended range, decouple the power supply with a 10uF capacitor, and use a minimum of 100nF capacitor for the oscillator circuit.
  • The soft-start pin (SS) is used to slowly ramp up the output voltage during startup, reducing inrush currents and preventing voltage overshoots.
  • Yes, the UC3525BN is suitable for high-frequency switching applications up to 500kHz, but ensure that the layout and component selection are optimized for high-frequency operation.
  • The maximum output current capability of the UC3525BN depends on the input voltage, output voltage, and switching frequency. Refer to the datasheet's application notes for calculation guidelines.

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UC3525BN 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 UC3525BN, check out Findchips.com