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VIPER114LSTR - STMicroelectronics

Description: VIPER114LSTR, Voltage - Frequency Converters, Voltage, , 10-Pin SSOP

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VIPER114LSTR - STMicroelectronics - PCB symbol
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VIPER114LSTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - AUIPS2051LTR
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VIPER114LSTR - STMicroelectronics - 3D model - Small Outline Packages - AUIPS2051LTR
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VIPER114LSTR Details

  • Manufacturer Part Number:

    VIPER114LSTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-10

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    9 V

  • JESD-30 Code:

    R-PDSO-G10

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SOP10,.24,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    1.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    66 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    3.9 mm

VIPER114LSTR Frequently Asked Questions (FAQs)

  • A good PCB layout for VIPER114LSTR involves keeping the high-frequency switching nodes (e.g., drain-source voltage) as short as possible, using a solid ground plane, and placing the input and output capacitors close to the IC. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure reliable start-up, ensure that the input voltage rises slowly (dv/dt < 10 V/μs) and the input capacitor is properly sized (≥ 10 μF). Also, add a soft-start circuit or a ramp-up circuit to limit the inrush current.
  • The maximum allowed temperature range for VIPER114LSTR is -40°C to 150°C (junction temperature). However, the device can operate up to 125°C with derating. Always check the thermal design and ensure proper heat dissipation to prevent overheating.
  • Choose an output capacitor with a low ESR (Equivalent Series Resistance) and a high ripple current rating. A ceramic capacitor (X5R or X7R dielectric) with a value between 10 μF to 22 μF is recommended. Ensure the capacitor is rated for the output voltage and can handle the ripple current.
  • A 10 μF to 22 μF ceramic capacitor (X5R or X7R dielectric) is recommended for the input capacitor. This value provides a good balance between input ripple rejection and start-up performance.

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VIPER114LSTR 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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