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VIPER317LDTR - STMicroelectronics

Description: Energy Saving Off-line High Voltage Converter

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VIPER317LDTR - STMicroelectronics - PCB symbol
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VIPER317LDTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO16N
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VIPER317LDTR Details

  • Manufacturer Part Number:

    VIPER317LDTR

  • 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:

    53 Weeks, 1 Day

  • 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

  • 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

  • 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

  • Peak Reflow Temperature (Cel):

    260

  • 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 Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

VIPER317LDTR 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 VIPER317LDTR 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 VIPER317LDTR 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 the OVP pin to shut down the device in case of an overvoltage condition.
  • The VIPER317LDTR is designed to minimize EMI emissions, but engineers should still follow best practices for PCB layout, component selection, and shielding to reduce EMI. STMicroelectronics provides EMI-related guidelines in the application note AN4571, and recommends using a common-mode choke and Y-capacitors to filter EMI.

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VIPER317LDTR 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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