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LTC7805RUFDM#PBF - Analog Devices

Description: 40V Low IQ, Dual, 2-Phase 100% Duty Cycle Synchronous Step-Down Controller ,–0.3V to 2V ,–40°C to 150°C

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PCB Footprints
LTC7805RUFDM#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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3D Models
LTC7805RUFDM#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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LTC7805RUFDM#PBF Details

  • Manufacturer Part Number:

    LTC7805RUFDM#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1682

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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:

    R-PQCC-N28

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    40 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LTC7805RUFDM#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC7805RUFDM is 35V, but it's recommended to keep it below 30V for reliable operation.
  • To ensure stability, make sure to use a minimum of 10uF capacitor at the input and output, and keep the leads as short as possible. Also, ensure the PCB layout is well-designed to minimize noise and parasitic inductance.
  • The minimum input voltage required for the LTC7805RUFDM to regulate properly is around 7.5V, but it's recommended to keep it above 8V for reliable operation.
  • The LTC7805RUFDM is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliable operation.
  • Use a TVS (Transient Voltage Suppressor) diode or a voltage clamp at the input to protect the LTC7805RUFDM from input voltage transients and spikes.

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LTC7805RUFDM#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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