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LT3470IDDB#TRPBF - Analog Devices

Description: Micropower Buck Regulator with Integrated Boost and Catch Diodes 26µA at 12VIN to 3.3VOUT,4V to 40V, 1.25V to 16V,–40°C to 125°C

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LT3470IDDB#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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LT3470IDDB#TRPBF - Analog Devices  - 3D model - Small Outline No-lead - DDB Package 8-Lead Plastic DFN (3mm × 2mm)
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LT3470IDDB#TRPBF Details

  • Manufacturer Part Number:

    LT3470IDDB#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:

    125 °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

LT3470IDDB#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3470 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise. A 4-layer board with a dedicated power plane is recommended.
  • 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.
  • The maximum input voltage for the LT3470 is 15V, but it's recommended to keep the input voltage below 12V to ensure reliable operation and minimize power dissipation.
  • The LT3470 is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. Consider using a heat sink or thermal management techniques to keep the device temperature below 100°C for optimal performance.
  • The output voltage of the LT3470 can be programmed using an external resistor divider network connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a given output voltage.

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LT3470IDDB#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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