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LTC7800EUDC#PBF - Analog Devices

Description: Switching Controllers Low IQ, 60V, High Frequency Synchronous Step-Down Controller

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LTC7800EUDC#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7800EUDC#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead Plastic QFN (3mm × 4mm)
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3D Models
LTC7800EUDC#PBF - Analog Devices - 3D model - Quad Flat No-Lead - 20-Lead Plastic QFN (3mm × 4mm)
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LTC7800EUDC#PBF Details

  • Manufacturer Part Number:

    LTC7800EUDC#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1742

  • 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:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.12X.16,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2250 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    3 mm

LTC7800EUDC#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7800 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR and is properly decoupled from the input. Additionally, avoid using ceramic capacitors with high ESL values.
  • The maximum ambient temperature range for the LTC7800 is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, and the output voltage may drop. It's essential to consider the thermal design and heat dissipation in your application.
  • Yes, the LTC7800 is suitable for high-reliability and aerospace applications. It's manufactured using a high-reliability process, and Analog Devices provides a radiation-hardened version of the device. However, it's essential to consult with Analog Devices' application engineers to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues with the LTC7800, start by verifying the input voltage, output voltage, and current. Check for proper PCB layout, component values, and decoupling. Use an oscilloscope to check for oscillations or noise on the output. Consult the datasheet and application notes for troubleshooting guidelines and contact Analog Devices' support if needed.

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LTC7800EUDC#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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