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LT1946EMS8#TRPBF - Analog Devices

Description: IC REG BOOST ADJ 1.5A 8MSOP

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LT1946EMS8#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8 8
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LT1946EMS8#TRPBF - Analog Devices - 3D model - Small Outline Packages - MS8 8
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LT1946EMS8#TRPBF Details

  • Manufacturer Part Number:

    LT1946EMS8#TRPBF

  • 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:

    05-08-1660

  • 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:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • 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:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT1946EMS8#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane on the bottom layer, and using thermal vias to connect the exposed pad to the ground plane. This helps to dissipate heat efficiently and reduce thermal resistance.
  • To ensure reliable startup and shutdown of the LT1946EMS8, it is recommended to use a soft-start circuit to limit the inrush current during startup, and to use a voltage supervisor or reset circuit to ensure that the device is properly reset during power-on and power-off sequences.
  • To minimize EMI and RFI in the design, it is recommended to use a pi-filter or a common-mode choke at the input, and to use a shielded inductor and a low-ESR output capacitor. Additionally, the PCB layout should be designed to minimize loop areas and to keep sensitive nodes away from noisy nodes.
  • The selection of input and output capacitors depends on the specific application requirements, such as the input voltage range, output voltage, and output current. In general, it is recommended to use low-ESR capacitors with a high ripple current rating, and to follow the guidelines provided in the datasheet for capacitor selection.
  • The LT1946EMS8 has a thermal derating curve that specifies the maximum junction temperature and power dissipation at different ambient temperatures. It is recommended to follow this curve to ensure that the device operates within its safe operating area and to prevent overheating.

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LT1946EMS8#TRPBF 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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