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VIPER53SPTR-E - STMicroelectronics

Description: Fixed frequency off line converter

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VIPER53SPTR-E Details

  • Manufacturer Part Number:

    VIPER53SPTR-E

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    POWER, SOP-8

  • Pin Count:

    10

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Nom:

    13 V

  • JESD-30 Code:

    R-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    9.4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Output Current-Max:

    2.3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP10,.55FL

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    250

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.65 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    300 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

VIPER53SPTR-E Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage power supply. The layout should also minimize the loop area of the high-frequency circuits to reduce EMI.
  • To ensure reliable start-up, ensure that the input voltage rises slowly (dv/dt < 50 V/ms) and the input capacitor is properly sized to filter out voltage spikes. Also, add a soft-start circuit to limit the inrush current.
  • The maximum allowed voltage drop across the internal switch is 1.5 V. Exceeding this limit may reduce the device's reliability and lifespan.
  • Use an overvoltage protection (OVP) circuit to limit the input voltage to 38 V, and an undervoltage lockout (UVLO) circuit to prevent the device from operating below 8 V.
  • Use a heat sink with a thermal resistance of < 10°C/W, and ensure good airflow around the device. Also, consider using a thermal interface material (TIM) to improve heat transfer.

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VIPER53SPTR-E 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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