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UC3525ADWTRG4 - Texas Instruments

Description: Voltage Mode PWM Controller 400mA 400kHz 16-Pin SOIC T/R

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UC3525ADWTRG4 - Texas Instruments - PCB symbol
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UC3525ADWTRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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UC3525ADWTRG4 - Texas Instruments - 3D model - Small Outline Packages - DW0016A
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UC3525ADWTRG4 Details

  • Manufacturer Part Number:

    UC3525ADWTRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    5 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    20 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

UC3525ADWTRG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA121, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The UC3525ADWTRG4 datasheet provides guidelines for selecting external components such as the input and output capacitors, inductor, and diode. Additionally, Texas Instruments offers a Power Stage Designer tool that can help engineers select the optimal components for their specific application.
  • The UC3525ADWTRG4 has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Engineers should ensure that the device is properly cooled and thermal management is implemented to prevent overheating.
  • The UC3525ADWTRG4 has a built-in overcurrent protection feature that can be enabled by connecting a sense resistor to the CS pin. The device will shut down if the current exceeds the programmed threshold. Engineers can also implement additional overcurrent protection using external components and circuitry.
  • The recommended startup sequence for the UC3525ADWTRG4 is to first apply the input voltage, then the enable signal (EN), and finally the clock signal (CLK). This sequence ensures that the device is properly initialized and configured before starting operation.

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UC3525ADWTRG4 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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