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LTC3851AIGN#TRPBF - Analog Devices

Description: Synchronous Step-Down Switching Regulator Controller

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LTC3851AIGN#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - QSOP 150 MIL-1
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LTC3851AIGN#TRPBF Details

  • Manufacturer Part Number:

    LTC3851AIGN#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1641 (GN16)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES AS LDO REGULATOR, OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 5.5V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.8895 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.05 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    810 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.899 mm

LTC3851AIGN#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3851AIGN involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer board with a dedicated power plane is recommended. Refer to the application note AN140 for more details.
  • The selection of the inductor depends on the output voltage, output current, and switching frequency. A good starting point is to use an inductor with a value between 1uH to 10uH, and a saturation current rating higher than the peak current. The datasheet provides a table to help with inductor selection. Additionally, the LTpowerCAD tool can be used to simulate and optimize the design.
  • The maximum ambient temperature for the LTC3851AIGN is 125°C. However, the device can operate up to 150°C with derating. Refer to the datasheet for more information on thermal derating.
  • Yes, the LTC3851AIGN is suitable for high-reliability applications. It is manufactured using a high-reliability process and is screened to ensure high performance and low defect rates. Additionally, the device is available in a variety of grades, including the MP grade which is specifically designed for high-reliability applications.
  • Troubleshooting issues with the LTC3851AIGN involves identifying the symptoms, checking the PCB layout and component selection, and using tools such as oscilloscopes and current probes to measure the device's performance. The datasheet and application notes provide guidance on troubleshooting common issues. Additionally, Analog Devices provides technical support through its website and support team.

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LTC3851AIGN#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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