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LT1945IMS#PBF - Analog Devices

Description: Switching Voltage Regulators Dual Micropower DC/DC Converter

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LT1945IMS#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - -Lead Plastic MSOP
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LT1945IMS#PBF Details

  • Manufacturer Part Number:

    LT1945IMS#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1661

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    CONSTANT OFF TIME

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    1.2 V

  • Input Voltage-Nom:

    1.2 V

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.4 A

  • Output Voltage-Max:

    34 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP10,.19,20

  • Package Shape:

    RECTANGULAR

  • 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

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • 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

LT1945IMS#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1945 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
  • To ensure stability in high-gain configurations, it's essential to follow the recommended compensation network and component values, and to ensure that the output capacitor is properly sized to prevent oscillations.
  • The maximum safe operating area (SOA) for the LT1945 is defined by the maximum voltage and current ratings, which are 36V and 5A, respectively. Operating the device outside of these ratings can lead to reduced reliability or even damage.
  • To protect the LT1945 from overvoltage and overcurrent conditions, it's recommended to use external protection devices such as TVS diodes and fuses, and to ensure that the input and output capacitors are properly sized to handle voltage and current transients.
  • The thermal derating curve for the LT1945 is typically provided in the datasheet or in a separate application note. It's essential to follow this curve to ensure that the device operates within its safe operating area and to prevent thermal shutdown or damage.

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LT1945IMS#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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