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LT3470HDDB#TRPBF - Analog Devices

Description: Buck Switching Regulator IC Positive Adjustable 1.25V 1 Output 200mA 8-WFDFN Exposed Pad

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LT3470HDDB#TRPBF - Analog Devices - PCB symbol
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LT3470HDDB#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DDB Package 8-Lead Plastic DFN (3mm × 2mm)
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LT3470HDDB#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DDB Package 8-Lead Plastic DFN (3mm × 2mm)
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LT3470HDDB#TRPBF Details

  • Manufacturer Part Number:

    LT3470HDDB#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1702

  • 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:

    HYSTERETIC CURRENT MODE

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.2 A

  • Output Voltage-Max:

    16 V

  • Output Voltage-Min:

    1.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.08,20

  • Package Shape:

    RECTANGLE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2 mm

LT3470HDDB#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device on a solid copper plane, using thermal vias to connect the plane to the bottom layer, and keeping the surrounding area clear of other components to allow for good airflow. Refer to the application note AN140 for more details.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, use a low-ESR output capacitor, and consider adding a small ceramic capacitor in parallel with the output capacitor to improve stability. Also, ensure that the input and output capacitors are properly decoupled from the device.
  • The maximum input voltage that can be applied to the LT3470 is 15V, but it's recommended to keep the input voltage below 12V to ensure reliable operation and to prevent damage to the device.
  • The LT3470 is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation. Refer to the datasheet for more information on thermal derating.
  • To troubleshoot issues with the LT3470, start by checking the input voltage, output voltage, and output current. Verify that the device is properly soldered and that the PCB layout is correct. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for more troubleshooting tips or contact Analog Devices' technical support.

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LT3470HDDB#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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