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LTC3873ETS8#TRPBF - Analog Devices

Description: VIN and VOUT Limited Only by External Components n Internal or Programmable External Soft-Start n Constant Frequency 200kHz Operation n Adjustable Current Limit n Current Sense Resistor Optional n Maximum 60V on SW Node with RDS(ON) Sensing n ±1.5% Voltage Reference Accuracy n Current Mode Operation for Excellent Line and Load Transient Response n Low Quiescent Current: 300µA n Low Profile (1mm) ThinSOTTM and (0.75mm) 2mm × 3mm DFN Package

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PCB Footprints
LTC3873ETS8#TRPBF - Analog Devices PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23 (Reference LTC DWG # 05-08-1637)
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3D Models
LTC3873ETS8#TRPBF - Analog Devices  - 3D model - SOT23 (8-Pin) - TS8 Package 8-Lead Plastic TSOT-23 (Reference LTC DWG # 05-08-1637)
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LTC3873ETS8#TRPBF Details

  • Manufacturer Part Number:

    LTC3873ETS8#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSOT-23, 8 PIN

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1637

  • 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 V

  • Input Voltage-Min:

    4.4 V

  • Input Voltage-Nom:

    5.6 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    2.9 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:

    VSSOP

  • Package Equivalence Code:

    TSSOP8,.1

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    240 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.625 mm

LTC3873ETS8#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that the LTC3873 can handle is 60V, but it's recommended to operate within the 12V to 48V range for optimal performance.
  • To optimize the layout for the LTC3873, keep the high-current paths short and wide, use a solid ground plane, and place the input capacitors close to the IC. Also, ensure that the feedback resistors are placed close to the FB pin to minimize noise.
  • The recommended output capacitor value is 10uF to 22uF, and it's recommended to use a low-ESR capacitor such as a ceramic or film capacitor to minimize output voltage ripple.
  • The switching frequency of the LTC3873 is set by the RT pin, which is connected to a resistor and capacitor. The recommended values are RT = 10kΩ and CT = 1nF for a 250kHz switching frequency.
  • The maximum output current that the LTC3873 can deliver is 3A, but it's recommended to operate within the 1A to 2A range for optimal performance and thermal management.

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LTC3873ETS8#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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