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VIPER35LD - STMicroelectronics

Description: VIPerPlus family: Quasi-resonant high performance off line high voltage converter

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VIPER35LD - STMicroelectronics - PCB symbol
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VIPER35LD - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-16_(H=1.75)
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VIPER35LD - STMicroelectronics - 3D model - Small Outline Packages - SO-16_(H=1.75)
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VIPER35LD Details

  • Manufacturer Part Number:

    VIPER35LD

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SO-16

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    25 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    150 kHz

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

VIPER35LD Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
  • The transformer selection depends on the input voltage, output voltage, and power rating of your design. STMicroelectronics provides a transformer selection guide in the datasheet, and you can also use online tools or consult with a transformer manufacturer to find a suitable transformer.
  • The VIPER35LD has a high power density, so thermal management is crucial. Ensure good airflow around the device, use a heat sink if necessary, and follow the thermal design guidelines in the datasheet to keep the junction temperature below 150°C.
  • Follow the layout and routing guidelines in the datasheet and application notes to minimize EMI. Use shielding, filtering, and grounding techniques to reduce electromagnetic radiation. Also, ensure that your design meets the relevant EMC standards and regulations.
  • The VIPER35LD is a robust device with a high reliability rating. The expected lifetime is typically in the range of 10 to 20 years, depending on the operating conditions, quality of the PCB, and component selection. Follow the recommended operating conditions and storage guidelines to ensure maximum reliability.

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VIPER35LD Overview

Use the download button to access the VIPER35LD schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like VIPER, 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

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