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LT1944EMS#TRPBF - Analog Devices

Description: Switching Voltage Regulators 2x uP Boost DC/DC Conv

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LT1944EMS#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS10 Package 10-Lead Plastic MSOP
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LT1944EMS#TRPBF - Analog Devices  - 3D model - Small Outline Packages - MS10 Package 10-Lead Plastic MSOP
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LT1944EMS#TRPBF Details

  • Manufacturer Part Number:

    LT1944EMS#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    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:

    SWITCHING REGULATOR

  • 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:

    2

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.4 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

  • 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:

    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

LT1944EMS#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing a thermal pad on the bottom of the package, connecting it to a copper plane on the PCB, and using vias to dissipate heat to other layers. A detailed layout guide can be found in the LT1944 demo board manual.
  • To ensure stability in high-gain configurations, it's essential to follow proper compensation techniques, such as adding a capacitor from the output to the inverting input, and using a low-ESR output capacitor. Additionally, the datasheet provides guidance on selecting the correct compensation components.
  • The maximum safe operating temperature for the LT1944 is 125°C, as specified in the datasheet. However, it's recommended to derate the device's power dissipation at higher temperatures to ensure reliable operation.
  • While the LT1944 is primarily designed for linear regulator applications, it can be used in switching regulator designs with some caveats. The device's high bandwidth and low noise make it suitable for switching regulator applications, but the designer must ensure that the device is properly biased and compensated to handle the high-frequency switching signals.
  • To calculate the power dissipation of the LT1944, you need to consider the input voltage, output voltage, output current, and quiescent current. The datasheet provides a formula for calculating power dissipation, and online tools such as the Analog Devices Power Dissipation Calculator can also be used.

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LT1944EMS#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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