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LTC7804HUD#PBF - Analog Devices

Description: Low IQ Synchronous?Boost Controller

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LTC7804HUD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7804HUD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)_2022
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3D Models
LTC7804HUD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)_2022
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LTC7804HUD#PBF Details

  • Manufacturer Part Number:

    LTC7804HUD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-01-08

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    40 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

LTC7804HUD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTC7804HUD#PBF near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 4-layer PCB with a solid ground plane and a thermal relief pattern around the device can help to dissipate heat efficiently.
  • To ensure reliable start-up and operation with a high-impedance input source, it is recommended to add a 1-2uF ceramic capacitor between the input pin and ground, and a 10-22uF electrolytic capacitor between the output pin and ground. This helps to filter out noise and ensure stable operation.
  • The maximum allowed input voltage ripple for reliable operation of the LTC7804HUD#PBF is typically around 10-20% of the input voltage. Exceeding this limit can cause the device to malfunction or oscillate.
  • To protect the LTC7804HUD#PBF from overvoltage and overcurrent conditions, it is recommended to add overvoltage protection (OVP) and overcurrent protection (OCP) circuits. A zener diode or a TVS diode can be used for OVP, and a current sense resistor with a comparator or a dedicated OCP IC can be used for OCP.
  • The recommended input capacitor type for the LTC7804HUD#PBF is a low-ESR ceramic capacitor, such as an X5R or X7R type. The recommended value is typically in the range of 10-22uF, depending on the input voltage and output current requirements.

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LTC7804HUD#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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