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VIPER28HN - STMicroelectronics

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

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VIPER28HN - STMicroelectronics PCB footprint - Other - Other - VIPER28HN-3
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VIPER28HN - STMicroelectronics  - 3D model - Other - VIPER28HN-3
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VIPER28HN Details

  • Manufacturer Part Number:

    VIPER28HN

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, DIP-7

  • Pin Count:

    7

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5

  • 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-XDIP-T7

  • JESD-609 Code:

    e3

  • Length:

    9.27 mm

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.85 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP7/8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max (Isup):

    0.9 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    127 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

VIPER28HN Frequently Asked Questions (FAQs)

  • A good PCB layout for VIPER28HN involves keeping the high-voltage and low-voltage sections separate, using a star-ground configuration, and minimizing the loop area of the power stage to reduce EMI.
  • To ensure reliable start-up, ensure that the input voltage is within the recommended range, the output capacitor is properly sized, and the soft-start capacitor is correctly chosen to prevent overshoot.
  • Key considerations for thermal management include providing adequate heat sinking, ensuring good airflow, and using thermal interface materials to reduce thermal resistance.
  • To optimize for low standby power consumption, use a low-ESR output capacitor, minimize the output voltage, and consider using a low-power mode or shutdown feature.
  • The recommended components for the external oscillator circuit include a 1-10 nF capacitor, a 1-10 kΩ resistor, and a 10-100 nH inductor, depending on the desired frequency and stability requirements.

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VIPER28HN 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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