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VIPER318LDTR - STMicroelectronics

Description: Converter Offline Boost, Buck, Buck-Boost, Flyback Topology 132kHz 16-SO

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VIPER318LDTR - STMicroelectronics - PCB symbol
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VIPER318LDTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO16 Narrow_1
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VIPER318LDTR - STMicroelectronics - 3D model - Small Outline Packages - SO16 Narrow_1
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VIPER318LDTR Details

  • Manufacturer Part Number:

    VIPER318LDTR

  • 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 REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    9 V

  • JESD-30 Code:

    R-PDSO-G16

  • Length:

    9.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    15 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    66 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

VIPER318LDTR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
  • The transformer selection depends on the specific application requirements, such as output voltage, current, and power rating. STMicroelectronics provides a transformer selection guide in the datasheet, and also recommends consulting with a transformer manufacturer to ensure compatibility and optimal performance.
  • The VIPER318LDTR has a high power density, and thermal management is critical to ensure reliable operation. Engineers should consider using a heat sink, thermal interface material, and ensuring good airflow around the device. The datasheet provides thermal resistance and junction-to-ambient temperature ratings to aid in thermal design.
  • The VIPER318LDTR has a built-in OVP feature, but it can be adjusted or customized using external components. Engineers can use a voltage divider network to sense the output voltage and trigger an OVP event when the voltage exceeds a certain threshold. The application note AN4571 provides more details on implementing OVP with VIPER318LDTR.
  • The VIPER318LDTR is designed to meet EMC standards, but engineers should still consider EMI filtering, shielding, and layout techniques to minimize radiated emissions and ensure compliance with relevant regulations. STMicroelectronics provides EMC guidelines and test reports in the datasheet and application notes.

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VIPER318LDTR 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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