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LTC3851AEGN#PBF - Analog Devices

Description: Wide VIN Range: 4V to 38V Operation n RSENSE or DCR Current Sensing n ±1% Output Voltage Accuracy 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 5V Internal Regulator 16-Lead Narrow SSOP

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LTC3851AEGN#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3851AEGN#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - GN Package 16-Lead Plastic SSOP (Narrow .150 Inch)
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3D Models
LTC3851AEGN#PBF - Analog Devices - 3D model - Small Outline Packages - GN Package 16-Lead Plastic SSOP (Narrow .150 Inch)
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LTC3851AEGN#PBF Details

  • Manufacturer Part Number:

    LTC3851AEGN#PBF

  • 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:

    85 °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:

    OTHER

  • 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

LTC3851AEGN#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3851AEGN involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input 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.
  • The selection of external components such as inductors, capacitors, and resistors depends on the specific application requirements. Refer to the datasheet's component selection guidelines and use online tools such as the LTpowerCAD design tool to help with component selection and optimization.
  • The maximum ambient temperature for the LTC3851AEGN is 85°C, but the junction temperature (TJ) should not exceed 125°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Yes, the LTC3851AEGN is suitable for high-reliability and automotive applications. It meets the requirements of AEC-Q100 and is manufactured with automotive-grade processes. However, ensure that the specific requirements of your application are met, and consult with Analog Devices' support team if necessary.
  • Troubleshooting issues with the LTC3851AEGN involves identifying the symptoms, checking the PCB layout and component selection, and using tools such as oscilloscopes and current probes to measure waveforms and currents. Refer to the datasheet's troubleshooting section and application notes for guidance, and consult with Analog Devices' support team if necessary.

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LTC3851AEGN#PBF 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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