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LTC3851AEMSE-1#TRPBF - Analog Devices

Description: n Wide VIN Range: 4V to 38V Operation n RSENSE or DCR Current Sensing n ±1% Output Voltage Accuracy n Power Good Output Voltage Monitor n Phase-Lockable Fixed Frequency: 250kHz to 750kHz n Dual N-Channel MOSFET Synchronous Drive n Very Low Dropout Operation: 99% Duty Cycle n Adjustable Output Voltage Soft-Start or Tracking n Output Current Foldback Limiting n Output Overvoltage Protection n OPTI-LOOP® Compensation Minimizes COUT n Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at

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LTC3851AEMSE-1#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3851AEMSE-1#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 16-Lead Plastic MSOP, Exposed Die Pad (Reference LTC DWG # 05-08-1667 Rev E)
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3D Models
LTC3851AEMSE-1#TRPBF - Analog Devices - 3D model - Small Outline Packages - MSE Package 16-Lead Plastic MSOP, Exposed Die Pad (Reference LTC DWG # 05-08-1667 Rev E)
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LTC3851AEMSE-1#TRPBF Details

  • Manufacturer Part Number:

    LTC3851AEMSE-1#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1667

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V 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:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    0.05 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    4.8 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    810 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC3851AEMSE-1#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3851AEMSE-1#TRPBF 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 analog ground plane and to keep the power and ground traces separate.
  • The choice of input and output capacitors for the LTC3851AEMSE-1#TRPBF depends on the specific application requirements. In general, X5R or X7R ceramic capacitors with a voltage rating of at least 2x the maximum input voltage are recommended. The output capacitor should be chosen based on the desired output ripple and transient response.
  • The maximum ambient temperature range for the LTC3851AEMSE-1#TRPBF is -40°C to 125°C. However, the device can operate up to 150°C with derating.
  • Yes, the LTC3851AEMSE-1#TRPBF is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is suitable for use in harsh environments.
  • To troubleshoot issues with the LTC3851AEMSE-1#TRPBF, start by checking the PCB layout and ensuring that the input and output capacitors are properly connected. Verify that the input voltage is within the recommended range and that the output is not overloaded. Use an oscilloscope to check for oscillations or ringing on the output. If the issue persists, consult the datasheet and application notes for further guidance.

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LTC3851AEMSE-1#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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