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LTC3873EDDB#TRPBF - Analog Devices

Description: No RSENSE™ Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller

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LTC3873EDDB#TRPBF - Analog Devices - PCB symbol
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LTC3873EDDB#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DDB Package 8-Lead Plastic DFN (3mm × 2mm)
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LTC3873EDDB#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DDB Package 8-Lead Plastic DFN (3mm × 2mm)
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LTC3873EDDB#TRPBF Details

  • Manufacturer Part Number:

    LTC3873EDDB#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WECD-1, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1702

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    9.5 V

  • Input Voltage-Min:

    4.4 V

  • Input Voltage-Nom:

    9 V

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    240 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2 mm

LTC3873EDDB#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3873EDDB involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. A 4-layer board with a dedicated power plane is recommended. Refer to the datasheet's layout guidelines and application notes for more details.
  • When selecting an inductor for the LTC3873EDDB, consider the maximum current rating, inductance value, and DC resistance. A good starting point is to choose an inductor with a current rating of at least 1.5 times the maximum output current, and an inductance value between 1uH and 10uH. Refer to the datasheet's inductor selection guide and application notes for more details.
  • The maximum ambient temperature for the LTC3873EDDB is 85°C, but the device can operate up to 125°C with derating. Refer to the datasheet's thermal characteristics and application notes for more details on temperature derating and thermal management.
  • The LTC3873EDDB output voltage can be configured using the FB pin and an external resistor divider network. The datasheet provides a formula to calculate the required resistor values for a specific output voltage. Additionally, the device has a built-in voltage reference, which can be used to generate a fixed output voltage.
  • The minimum input voltage required for the LTC3873EDDB is 2.9V, but the device can operate down to 2.5V with reduced performance. Refer to the datasheet's electrical characteristics and application notes for more details on input voltage range and performance.

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LTC3873EDDB#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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