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LT1946EMS8E#PBF - Analog Devices

Description: 1.2MHz Boost DC/DC Converter with 1.5A Switch and Soft-Start

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LT1946EMS8E#PBF - Analog Devices - PCB symbol
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LT1946EMS8E#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8E(MSOP)
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LT1946EMS8E#PBF - Analog Devices - 3D model - Small Outline Packages - MS8E(MSOP)
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LT1946EMS8E#PBF Details

  • Manufacturer Part Number:

    LT1946EMS8E#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1662

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    2.6 V

  • Input Voltage-Nom:

    3 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    3.1 A

  • Output Voltage-Max:

    34 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT1946EMS8E#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LT1946EMS8E#PBF near a thermal pad or a heat sink, and ensuring good airflow around the device. The datasheet provides some guidelines, but a more detailed application note from Analog Devices (AN137) provides additional guidance.
  • To ensure a stable and accurate output voltage, it's essential to follow proper layout and decoupling guidelines, use a stable input voltage, and select the correct output capacitor. Additionally, the datasheet recommends using a minimum output capacitance of 10uF to ensure stability.
  • The maximum input voltage that can be applied to the LT1946EMS8E#PBF is 15V. Exceeding this voltage can cause damage to the device. It's essential to ensure that the input voltage is within the recommended range to ensure reliable operation.
  • To protect the LT1946EMS8E#PBF from overcurrent and overheating, it's essential to implement overcurrent protection (OCP) and overtemperature protection (OTP) mechanisms. The datasheet provides guidelines for implementing these protections, and additional application notes from Analog Devices provide more detailed information.
  • The recommended input capacitor value for the LT1946EMS8E#PBF is 10uF to 22uF, with a voltage rating of at least 25V. A low-ESR ceramic capacitor or a film capacitor is recommended to minimize input ripple and ensure stable operation.

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LT1946EMS8E#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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