Part Image

ST1S31PUR - STMicroelectronics

Description: 3 A DC step-down switching regulator

Download ST1S31PUR Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
ST1S31PUR - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - VFDFPN8 (3 x 3 x 1.0 mm) package mechanical data
click to zoom
3D Models
ST1S31PUR - STMicroelectronics  - 3D model - Small Outline No-lead - VFDFPN8 (3 x 3 x 1.0 mm) package mechanical data
click to zoom

ST1S31PUR Details

  • Manufacturer Part Number:

    ST1S31PUR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VFDFPN-8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Additional Feature:

    OUTPUT VOLTAGE IN ADJUSTABLE MODE FROM 0.8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.11,25

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1900 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    3 mm

ST1S31PUR Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1mm clearance around the device for airflow and heat dissipation.
  • Implement a thermal management system, such as a heat sink or fan, to maintain a junction temperature below 150°C. Also, ensure proper PCB design and component selection to minimize thermal resistance.
  • Monitor the output voltage, current, and temperature. Implement over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP) to prevent damage and ensure safe operation.
  • Use a combination of capacitors and inductors to filter the output. Optimize the filter design using simulation tools and consider the output impedance, load characteristics, and desired ripple and noise levels.
  • Use low-ESR capacitors with a minimum capacitance of 10uF for the input and output. X5R or X7R ceramic capacitors are recommended for their high reliability and low temperature coefficient.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

ST1S31PUR Overview

Use the download button to access the ST1S31PUR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like ST1S3, or try a keyword search, such as Switching Regulator or Controllers

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

Parts related to ST1S31PUR

Showing 0 results