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LTC3834IDHC-1#PBF - Analog Devices

Description: 30μA IQ Synchronous Step-Down Controller 0.8V V OUT 10V,36V to –0.3V,42V to –0.3V,50mA–40°C to 85°C

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LTC3834IDHC-1#PBF - Analog Devices - PCB symbol
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LTC3834IDHC-1#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DHC Package 16-Lead Plastic DFN (5mm × 3mm)_2025-1
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LTC3834IDHC-1#PBF Details

  • Manufacturer Part Number:

    LTC3834IDHC-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1706

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-N16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • 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

  • Switching Frequency-Max:

    650 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    3 mm

LTC3834IDHC-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3834 involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer board with a dedicated power plane and a solid ground plane is recommended. Additionally, it's essential to follow the datasheet's guidelines for component placement and routing.
  • When selecting an inductor for the LTC3834, consider the inductor's saturation current, DC resistance, and core material. The inductor should be able to handle the peak current of the converter, and its DC resistance should be low to minimize losses. A ferrite or iron powder core inductor with a high saturation current and low DC resistance is recommended. The datasheet provides a list of recommended inductors.
  • The maximum ambient temperature for the LTC3834 is 85°C. However, the device's junction temperature (TJ) should not exceed 125°C. The datasheet provides a thermal derating curve to help designers estimate the device's maximum power dissipation at different ambient temperatures.
  • Yes, the LTC3834 is available in a variety of grades, including the industrial grade (-40°C to 85°C) and the automotive grade (-40°C to 125°C). The automotive grade device is AEC-Q100 qualified and meets the requirements for high-reliability applications. However, designers should ensure that the device is used within its specified operating conditions and follows the recommended design guidelines.
  • Common issues with the LTC3834 can be troubleshooted by checking the PCB layout, component selection, and design parameters. Ensure that the input and output capacitors are properly selected and placed, and that the inductor is suitable for the application. Check for any signs of oscillations, such as ringing on the output voltage or current, and adjust the compensation network accordingly. The datasheet provides a troubleshooting guide and application notes to help designers identify and fix common issues.

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LTC3834IDHC-1#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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