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VIPER28HD - STMicroelectronics

Description: VIPerPlus family: Peak power fixed frequency off line high voltage converter

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VIPER28HD - STMicroelectronics - PCB symbol
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PCB Footprints
VIPER28HD - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-16*
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3D Models
VIPER28HD - STMicroelectronics - 3D model - Small Outline Packages - SO-16*
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VIPER28HD Details

  • Manufacturer Part Number:

    VIPER28HD

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, SOP-16

  • Pin Count:

    16

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    23.5 V

  • Input Voltage-Min:

    8.5 V

  • Input Voltage-Nom:

    14 V

  • 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:

    0.85 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):

    0.9 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    127 kHz

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

VIPER28HD Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the VIPER28HD evaluation board documentation, which includes guidelines for component placement, thermal management, and routing. Following this layout can help ensure optimal performance and minimize electromagnetic interference (EMI).
  • The transformer selection depends on the input voltage, output voltage, and power rating of the VIPER28HD. STMicroelectronics provides a transformer selection guide in the datasheet, which includes formulas and tables to help engineers choose the right transformer. Additionally, STMicroelectronics offers a range of recommended transformers that are compatible with the VIPER28HD.
  • The VIPER28HD has a high power density, which requires proper thermal management to ensure reliable operation. Engineers should consider using a heat sink, thermal interface material, and a well-designed PCB layout to dissipate heat. STMicroelectronics provides thermal management guidelines in the datasheet and application notes.
  • The VIPER28HD has built-in OVP and UVP features, but engineers need to implement external circuitry to detect and respond to voltage faults. STMicroelectronics provides application notes and design examples that demonstrate how to implement OVP and UVP using external components and the VIPER28HD's fault detection pins.
  • The VIPER28HD is designed to meet EMC standards, but engineers should still consider EMC during the design and layout phase. This includes using shielding, filtering, and proper grounding to minimize electromagnetic interference (EMI). STMicroelectronics provides EMC guidelines and application notes to help engineers design EMC-compliant systems.

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VIPER28HD 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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