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LT3380EUJM#TRPBF - Analog Devices

Description: Quad I2C Adjustable High Efficiency Step-Down DC/DC Converters: 2.5A, 2.5A, 1.5A, 1.5A n Three 300mA LDO Regulators (Two Adjustable) n Independent Enable Pin-Strap or I2C Sequencing n Programmable Autonomous Power-Down Control n Warnings and Faults n IRQ Pin and IRQ Status Register n Power Good Pin and Status Register

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LT3380EUJM#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3380EUJM#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40-Lead QFN (6 mm × 6 mm, Plastic Side Wettable)
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LT3380EUJM#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 40-Lead QFN (6 mm × 6 mm, Plastic Side Wettable)
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LT3380EUJM#TRPBF Details

  • Manufacturer Part Number:

    LT3380EUJM#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    05-08-1681

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-03-09

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    INTEGRATED POWER MANAGEMENT UNIT

  • JESD-30 Code:

    S-PQCC-N40

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    7

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,0.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.8 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +0.75V

  • Width:

    6 mm

LT3380EUJM#TRPBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance is to have a solid ground plane on the bottom layer, and to place the IC on a thermal island connected to the ground plane. This helps to dissipate heat efficiently. Additionally, it is recommended to place the input and output capacitors close to the IC to minimize parasitic inductance.
  • The choice of output capacitors depends on the output voltage, output current, and the level of output voltage ripple required. For the LT3380EUJM, a minimum of 10uF output capacitance is recommended, with a voltage rating of at least 1.5 times the output voltage. Additionally, the ESR (Equivalent Series Resistance) of the capacitor should be less than 0.1 ohms to ensure stability.
  • The maximum input voltage that can be applied to the LT3380EUJM is 30V. However, it is recommended to operate the IC within the recommended input voltage range of 3.5V to 24V for optimal performance and reliability.
  • The power dissipation of the LT3380EUJM can be calculated using the following formula: Pd = (Vin - Vout) * Iout + Vout * Iq, where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current. The calculated power dissipation should be less than the maximum power dissipation rating of the IC to ensure reliability.
  • The recommended input capacitor value for the LT3380EUJM is 10uF. This value is sufficient to filter out high-frequency noise and ensure stability. However, the actual value may vary depending on the specific application and input voltage range.

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LT3380EUJM#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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