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VIPER38LE - STMicroelectronics

Description: AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter

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VIPER38LE - STMicroelectronics - PCB symbol
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VIPER38LE - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - VIPER38LE
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VIPER38LE - STMicroelectronics - 3D model - Dual-In-Line Packages - VIPER38LE
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VIPER38LE Details

  • Manufacturer Part Number:

    VIPER38LE

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SDIP-10

  • Country Of Origin:

    Mainland China

  • 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-PDIP-T10

  • JESD-609 Code:

    e3

  • Length:

    9.59 mm

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP10,.3,69

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max (Isup):

    2.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    66 kHz

  • Terminal Finish:

    Tin (Sn) - immersion

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.77 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

VIPER38LE Frequently Asked Questions (FAQs)

  • A good PCB layout for VIPER38LE 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 startup and shutdown, ensure that the input voltage rises and falls slowly (e.g., using a soft-start circuit), and add a delay between startup and shutdown to prevent oscillations.
  • The maximum allowed voltage on the VCC pin is 18V, but it's recommended to keep it below 15V to ensure reliable operation and prevent overheating.
  • Choose a transformer with a suitable turns ratio, core material, and wire size to ensure efficient energy transfer and minimize losses. Consult the datasheet and application notes for guidance.
  • Ensure good airflow, use a heat sink if necessary, and keep the device away from other heat sources. Monitor the junction temperature (TJ) and adjust the design accordingly to prevent overheating.

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VIPER38LE Overview

Use the download button to access the VIPER38LE 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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