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ST1S50PUR - STMicroelectronics

Description: 4 A monolithic synchronous step-down switching converter with high efficiency at light load

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ST1S50PUR - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - VFDFPN10 (3 x 3 x 1 mm)
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ST1S50PUR - STMicroelectronics  - 3D model - Small Outline No-lead - VFDFPN10 (3 x 3 x 1 mm)
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ST1S50PUR Details

  • Manufacturer Part Number:

    ST1S50PUR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN10 3X3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    15.84 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    600 kHz

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

ST1S50PUR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 2-layer PCB with a thermal pad connected to a large copper area on the bottom layer to dissipate heat efficiently.
  • Use a soft-start circuit and a voltage supervisor to ensure the converter starts up reliably in noisy environments. Also, consider adding input and output capacitors to filter out noise.
  • The maximum allowed input voltage ripple is 10% of the nominal input voltage. Exceeding this may affect the converter's performance and reliability.
  • Yes, the ST1S50PUR is rated for operation up to 150°C. However, ensure proper thermal management and derate the output current accordingly to prevent overheating.
  • Use an oscilloscope to monitor the output voltage and current. Check for proper PCB layout, component selection, and thermal management. Consult the datasheet and application notes for troubleshooting guidelines.

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ST1S50PUR 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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