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A5974D - STMicroelectronics

Description: Up to 2.5 A step down switching regulator for automotive applications

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A5974D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - HSOP-8-ren1
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A5974D Details

  • Manufacturer Part Number:

    A5974D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    HSOP-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Output Voltage-Max:

    35 V

  • Output Voltage-Min:

    1.235 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Equivalence Code:

    SOP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    280 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

A5974D Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and to keep the high-current paths short and wide. Additionally, it's recommended to use a common mode choke and a shielded inductor to reduce EMI.
  • To optimize the A5974D for low-voltage operation, ensure that the input voltage is within the recommended range (4.5V to 18V). Also, reduce the switching frequency to minimize power losses, and use a low-ESR output capacitor to reduce voltage ripple.
  • The A5974D is rated for operation from -40°C to 150°C (junction temperature). However, it's recommended to keep the device within a temperature range of -20°C to 125°C for optimal performance and reliability.
  • To troubleshoot issues with the A5974D, start by checking the input voltage, output voltage, and current. Verify that the device is properly soldered and that the PCB layout is correct. Check for signs of overheating, such as excessive temperature or burning smells. Consult the datasheet and application notes for guidance on troubleshooting specific issues.
  • Yes, the A5974D is suitable for high-reliability and automotive applications. It meets the requirements of the AEC-Q100 standard for automotive-grade devices, and its robust design and manufacturing process ensure high reliability and low defect rates.

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A5974D Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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