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VIPER012LSTR - STMicroelectronics

Description: STMICROELECTRONICS - VIPER012LSTR - AC/DC Converter IC, VIPerPlus Family, Buck, Buck-Boost, Flyback, 4.5 VAC - 30 VAC, 1 W, SSOP-10

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VIPER012LSTR - STMicroelectronics - PCB symbol
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VIPER012LSTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SSOP 10
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VIPER012LSTR - STMicroelectronics - 3D model - Small Outline Packages - SSOP 10
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VIPER012LSTR Details

  • Manufacturer Part Number:

    VIPER012LSTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-10

  • Manufacturer Package Code:

    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

  • Additional Feature:

    PFM CONTROL TECHNIQUE ALSO AVAILABLE

  • 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

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP10,.25,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    1.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    132 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

VIPER012LSTR Frequently Asked Questions (FAQs)

  • A good PCB layout for VIPER012LSTR involves keeping the high-frequency switching nodes (e.g., drain-source voltage) away from sensitive analog nodes, using a solid ground plane, and minimizing loop areas to reduce EMI.
  • To ensure reliable start-up, ensure that the input voltage rises slowly (e.g., using a soft-start circuit) and that the output capacitor is properly sized to handle the inrush current. Also, ensure that the feedback network is properly compensated to prevent oscillations.
  • The maximum allowed voltage on the VIN pin of VIPER012LSTR is 30V, but it's recommended to keep it below 28V to ensure reliable operation and minimize stress on the device.
  • Choose an output capacitor with a low ESR (Equivalent Series Resistance) and a capacitance value that ensures the desired output voltage ripple. A general rule of thumb is to use a capacitor with a capacitance value of at least 10uF and an ESR of less than 100mΩ.
  • The EN pin is used to enable or disable the VIPER012LSTR. When EN is high, the device is enabled, and when EN is low, the device is disabled. Use a logic signal (e.g., from a microcontroller) to control the EN pin to implement power sequencing or to shut down the device when not in use.

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VIPER012LSTR 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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