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VIPER38HDTR - STMicroelectronics

Description: Converter Offline Flyback Topology 115kHz 16-SO ,115kHz , 20W , 14 V ,8.5V ~ 23.5V , -40°C ~ 150°C (TJ)

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VIPER38HDTR - STMicroelectronics - PCB symbol
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VIPER38HDTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO16 Narrow_1
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VIPER38HDTR - STMicroelectronics - 3D model - Small Outline Packages - SO16 Narrow_1
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VIPER38HDTR Details

  • Manufacturer Part Number:

    VIPER38HDTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-16

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • 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

  • 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

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    3.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • 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

  • Width:

    3.9 mm

VIPER38HDTR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage traces to minimize noise and EMI. A good layout should also ensure that the input and output capacitors are placed close to the IC.
  • To ensure reliable start-up, make sure the input voltage is within the recommended range, and the input capacitor is properly sized. Also, ensure that the feedback resistors are correctly chosen to provide a stable output voltage. A soft-start circuit can also be added to prevent inrush currents.
  • The VIPER38HDTR has a high power density, so thermal management is crucial. Ensure good airflow around the IC, and consider using a heat sink or thermal pad to dissipate heat. Also, keep the IC away from other heat sources and ensure that the PCB is designed to dissipate heat efficiently.
  • To troubleshoot issues, start by checking the input voltage and current, and ensure that the output voltage is within the expected range. Check for any signs of overheating, and verify that the feedback loop is stable. Use an oscilloscope to check for any oscillations or noise on the output. Consult the datasheet and application notes for specific troubleshooting guidelines.
  • Yes, the VIPER38HDTR is designed for high-reliability applications. It has a high MTBF (Mean Time Between Failures) and is qualified for automotive and industrial applications. However, ensure that your design meets the recommended operating conditions, and follow proper PCB design and manufacturing guidelines to ensure reliability.

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VIPER38HDTR 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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