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LTC3888EUHG-1#PBF - Analog Devices

Description: Switching Controllers Dual Output 8-Phase Buck Cntr with DPSM

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LTC3888EUHG-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3888EUHG-1#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHG Package 52-Lead Plastic QFN (5mm × 8mm)
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3D Models
LTC3888EUHG-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHG Package 52-Lead Plastic QFN (5mm × 8mm)
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LTC3888EUHG-1#PBF Details

  • Manufacturer Part Number:

    LTC3888EUHG-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-52

  • Pin Count:

    52

  • Manufacturer Package Code:

    05-08-1550

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    26.5 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N52

  • Length:

    8 mm

  • Number of Functions:

    1

  • Number of Terminals:

    52

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    3.45 V

  • Output Voltage-Min:

    0.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC52,.2X.32,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    550 kHz

  • Technology:

    CMOS

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC3888EUHG-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTC3888EUHG-1#PBF near a thermal pad or a heat sink, and ensuring that there are no thermal barriers or obstacles between the device and the heat sink. Additionally, using a 2- or 4-layer PCB with a solid ground plane can help to dissipate heat more efficiently.
  • To select the right inductor for your design, consider the following factors: inductance value, current rating, DC resistance, and physical size. The inductor should be able to handle the maximum output current of the converter, and its inductance value should be chosen based on the switching frequency and output voltage. A good starting point is to use the inductor selection guide provided in the datasheet or to consult with an applications engineer.
  • The recommended input capacitor type for the LTC3888EUHG-1#PBF is a low-ESR ceramic capacitor, such as an X5R or X7R type. The value of the input capacitor should be chosen based on the input voltage and the desired level of input ripple. A good starting point is to use a 10uF to 22uF capacitor with a voltage rating of at least 1.5 times the maximum input voltage.
  • To configure the LTC3888EUHG-1#PBF for a specific output voltage, you need to set the output voltage divider resistors (RFBT and RFB) according to the desired output voltage. The datasheet provides a formula for calculating the resistor values based on the desired output voltage and the internal reference voltage. Additionally, you may need to adjust the output voltage sense resistor (RSENSE) to ensure accurate output voltage regulation.
  • The maximum ambient temperature range for the LTC3888EUHG-1#PBF is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures, and the maximum junction temperature should not exceed 150°C.

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LTC3888EUHG-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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