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A5970D - STMicroelectronics

Description: Up to 1 A step-down switching regulator for automotive applications

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A5970D - STMicroelectronics - PCB symbol
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A5970D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-8_ 2021
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A5970D - STMicroelectronics - 3D model - Small Outline Packages - SO-8_ 2021
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A5970D Details

  • Manufacturer Part Number:

    A5970D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Mainland China

  • 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:

    2.25 A

  • Output Voltage-Max:

    36 V

  • Output Voltage-Min:

    1.235 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.24

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    280 kHz

  • Technology:

    DMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

A5970D 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 A5970D for low standby power consumption, ensure that the EN pin is properly driven to disable the device when not in use. Additionally, use a low-dropout linear regulator for the VCC pin, and consider using a low-power mode or shutdown mode when the device is not in use.
  • The recommended input capacitor value for the A5970D is 10uF to 22uF, with an ESR of less than 1 ohm. This ensures stable operation and minimizes voltage ripple.
  • To troubleshoot issues with the A5970D, start by checking the input voltage and current, as well as the output voltage and current. Verify that the device is properly configured and that the PCB layout is correct. Check for signs of overheating, such as excessive temperature or thermal shutdown. Consult the datasheet and application notes for guidance on troubleshooting specific issues.
  • The A5970D is rated for operation up to 150°C, but it's recommended to derate the device for high-temperature operation. Consult the datasheet for thermal derating curves and ensure that the device is properly heatsinked to prevent overheating.

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A5970D 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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