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LTC3858EUH#PBF - Analog Devices

Description: Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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LTC3858EUH#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UH (32-Lead QFN)
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LTC3858EUH#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UH (32-Lead QFN)
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LTC3858EUH#PBF Details

  • Manufacturer Part Number:

    LTC3858EUH#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1693

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 24V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, 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:

    PHASE-SHIFT

  • Switching Frequency-Max:

    585 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LTC3858EUH#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 28V, but it's recommended to keep it below 24V for reliable operation.
  • To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, use a low-ESR ceramic capacitor for the output filter capacitor.
  • The SS pin is the soft-start pin, which allows the output voltage to ramp up slowly during startup. To use it, connect a capacitor from the SS pin to GND, and the soft-start time will be determined by the capacitor value and the internal current source.
  • The switching frequency can be adjusted by connecting a resistor from the RT pin to GND. The frequency will be determined by the resistor value, with lower values resulting in higher frequencies.
  • The maximum output current that the LTC3858EUH can deliver is 8A, but this can be limited by the thermal performance of the package and the PCB design.

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LTC3858EUH#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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