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LT3505EMS8E#PBF - Analog Devices

Description: Linear Technology, LT3505EMS8E#PBF Step-Down Switching Regulator, 1-Channel 1.2A Adjustable 8-Pin, MSOP

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LT3505EMS8E#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3505EMS8E#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP_2020
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LT3505EMS8E#PBF - Analog Devices - 3D model - Small Outline Packages - MS8E Package 8-Lead Plastic MSOP_2020
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LT3505EMS8E#PBF Details

  • Manufacturer Part Number:

    LT3505EMS8E#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, LEAD FREE, 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:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    12 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:

    85 °C

  • Output Current-Max:

    2.2 A

  • Output Voltage-Min:

    0.78 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:

    BUCK

  • Switching Frequency-Max:

    3300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • 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

LT3505EMS8E#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LT3505EMS8E#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 (AN140) provides additional guidance.
  • To ensure a stable and accurate output voltage, it's essential to follow the recommended capacitor selection and placement guidelines in the datasheet. Additionally, the input voltage should be well-regulated, and the output should be decoupled with a low-ESR capacitor. A good layout and proper grounding practices also help to minimize noise and ensure stability.
  • The LT3505EMS8E#PBF is rated for operation up to 125°C junction temperature. However, the maximum ambient temperature for reliable operation depends on the specific application and the device's power dissipation. As a general guideline, the ambient temperature should be kept below 85°C to ensure reliable operation.
  • The LT3505EMS8E#PBF has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. However, additional protection can be achieved by using external components such as TVS diodes or voltage supervisors to detect and respond to overvoltage and undervoltage conditions.
  • The recommended input capacitor type is a low-ESR ceramic capacitor with a value of 10uF to 22uF. The capacitor should be placed close to the VIN pin and have a low impedance path to the device's ground pin.

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LT3505EMS8E#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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