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LTC1474CMS8-3.3#PBF - Analog Devices

Description: Conv DC-DC 3V to 18V Step Down Single-Out 3.3V 0.3A 8-Pin MSOP Tube

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LTC1474CMS8-3.3#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC1474CMS8-3.3#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8 Package 8-Lead Plastic MSOP -----
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LTC1474CMS8-3.3#PBF - Analog Devices - 3D model - Small Outline Packages - MS8 Package 8-Lead Plastic MSOP -----
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LTC1474CMS8-3.3#PBF Details

  • Manufacturer Part Number:

    LTC1474CMS8-3.3#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1660

  • 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:

    18 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    10 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:

    0.75 A

  • Output Voltage-Max:

    3.366 V

  • Output Voltage-Min:

    3.234 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.17 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Technology:

    CMOS

  • 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

LTC1474CMS8-3.3#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1474 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the distance between the IC and the bypass capacitors. Additionally, it's recommended to use a 4-layer board with a dedicated power plane and a dedicated ground plane.
  • To ensure proper power-up and power-down of the LTC1474, it's recommended to follow a specific power-up sequence. First, apply the analog supply voltage (VCC) and then the digital supply voltage (VDD). During power-down, reverse the sequence. Additionally, ensure that the input voltage ramps up and down slowly to prevent damage to the device.
  • The LTC1474 can drive a maximum capacitive load of 1000pF. Exceeding this limit may cause instability or oscillations in the output voltage. If a higher capacitive load is required, consider adding a series resistor to the output or using an output capacitor with a lower equivalent series resistance (ESR).
  • To troubleshoot issues with the LTC1474's output voltage regulation, first check the input voltage and ensure it's within the recommended range. Next, verify that the output voltage is set correctly using the feedback resistors. Check for any signs of oscillation or instability, and ensure that the output capacitor is properly sized and has a low ESR. If the issue persists, consult the datasheet and application notes for further guidance.
  • The LTC1474 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper thermal management to prevent overheating. Consult the datasheet and application notes for more information on high-temperature operation.

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LTC1474CMS8-3.3#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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