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A5970AD - STMicroelectronics

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

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A5970AD - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8_2025-1
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A5970AD - STMicroelectronics - 3D model - Small Outline Packages - SO 8_2025-1
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A5970AD Details

  • Manufacturer Part Number:

    A5970AD

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    LEAD FREE, SOP-8

  • Pin Count:

    8

  • 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:

    4.4 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.8 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    570 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

A5970AD Frequently Asked Questions (FAQs)

  • A good PCB layout for the A5970AD involves keeping the power supply lines (VIN and VOUT) as short as possible, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The choice of input and output capacitors for the A5970AD depends on the specific application requirements. In general, ceramic capacitors with low ESR (Equivalent Series Resistance) and high ripple current capability are recommended. A minimum capacitance of 10uF is recommended for the input capacitor, and 22uF for the output capacitor.
  • The A5970AD is rated for operation from -40°C to 150°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system. In general, the device can operate up to 125°C ambient temperature with proper heat sinking and thermal management.
  • Proper thermal management of the A5970AD involves providing a good thermal path from the device to a heat sink or a metal plate. This can be achieved using thermal interface materials, thermal tapes, or thermal greases. The device's thermal pad should be connected to a solid ground plane to ensure good heat dissipation.
  • The recommended input voltage range for the A5970AD is 4.5V to 18V, but the device can operate from 4V to 20V. However, the device's performance and efficiency may degrade at the extremes of this range.

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A5970AD 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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Part Image A5970ADTR STMicroelectronics

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