Please enter a minimum 3 letters or numbers
Technical Content
Part Image

LTC3859EUHF#PBF - Analog Devices

Description: Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller

Download LTC3859EUHF#PBF Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
Send part feedback
Symbol
LTC3859EUHF#PBF - Analog Devices - PCB symbol
click to zoom
PCB Footprints
LTC3859EUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF (38-Lead QFN)
click to zoom
3D Models
LTC3859EUHF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF (38-Lead QFN)
click to zoom

LTC3859EUHF#PBF Details

  • Manufacturer Part Number:

    LTC3859EUHF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 24V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Max:

    24 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5.4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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:

    5 mm

LTC3859EUHF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3859EUHF#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate power plane for the input voltage and to keep the switching node (SW pin) away from sensitive analog nodes.
  • When selecting an inductor for the LTC3859EUHF#PBF, consider the inductor's value, saturation current, and DC resistance. A good starting point is to choose an inductor with a value between 1uH and 10uH, a saturation current greater than the peak current of the converter, and a DC resistance less than 100mΩ. Additionally, consider the inductor's physical size, core material, and temperature rating.
  • The LTC3859EUHF#PBF can operate in ambient temperatures up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal design and heat sinking to prevent overheating, especially in high-power applications.
  • Yes, the LTC3859EUHF#PBF can be used in a synchronous rectification configuration, which can improve efficiency and reduce heat generation. However, this requires additional components, such as a synchronous rectifier FET and a Schottky diode, and careful design consideration to ensure proper operation.
  • To troubleshoot issues with the LTC3859EUHF#PBF, start by verifying the PCB layout and component selection. Check for proper decoupling, correct component values, and adequate heat sinking. Use an oscilloscope to monitor the input and output voltages, as well as the switching node. Consult the datasheet and application notes for guidance on troubleshooting and debugging techniques.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

LTC3859EUHF#PBF Overview

Use the download button to access the LTC3859EUHF#PBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LTC38, or try a keyword search, such as Switching Regulator or Controllers

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.

Parts related to LTC3859EUHF#PBF

Showing 0 results

Part Image

← Prev Next →
About Us Contact Us Terms of Service Do not sell or share my personal information Privacy Policy Digital Services Act Library Loader Twitter LinkedIn

All content Copyright © 2020, Supplyframe.com. All rights reserved. Back to top ↑

LTC3859EUHF#PBF Alternates

Showing results

Image Part Number Model
Part Image LTC3859EUHF#TRPBF Analog Devices Inc

Switching Controller, Current-mode, 900kHz Switching Freq-Max, CMOS, PQCC38
Part Image LTC3859IUHF#PBF Analog Devices Inc

Switching Controller, Current-mode, 900kHz Switching Freq-Max, CMOS, PQCC38
Part Image LTC3859EUHF#TRPBF Linear Technology

Switching Controller, Current-mode, 900kHz Switching Freq-Max, CMOS, PQCC38
Part Image LTC3859EUHF#PBF Linear Technology

Switching Controller, Current-mode, 900kHz Switching Freq-Max, CMOS, PQCC38
Part Image LTC3859IUHF#PBF Linear Technology

Switching Controller, Current-mode, 900kHz Switching Freq-Max, CMOS, PQCC38
For a full list of alternate parts for LTC3859EUHF#PBF, check out Findchips.com