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LTC3862HFE-2#TRPBF - Analog Devices

Description: Multi-Phase Current Mode Step-Up DC/DC Controller

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LTC3862HFE-2#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3862HFE-2#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 24-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1771 Rev B)
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3D Models
LTC3862HFE-2#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package 24-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1771 Rev B)
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LTC3862HFE-2#TRPBF Details

  • Manufacturer Part Number:

    LTC3862HFE-2#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1771

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES AT 10V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    3.8 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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    4.4 mm

LTC3862HFE-2#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3862HFE-2 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 Analog Devices application note AN136 for more details.
  • Choose input capacitors with low ESR, high ripple current rating, and a voltage rating that exceeds the maximum input voltage. X5R or X7R ceramic capacitors or film capacitors are good options. The capacitance value should be at least 10uF, but larger values can be used for improved performance.
  • The maximum ambient temperature for the LTC3862HFE-2 is 125°C. However, the junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to keep the junction temperature within the specified limit.
  • Yes, the LTC3862HFE-2 can be used in a synchronous buck converter configuration. This can improve efficiency by reducing the power losses in the external Schottky diode. However, ensure that the external FETs are properly selected and driven to avoid shoot-through currents.
  • Start by checking the input voltage, output voltage, and current sense resistor values. Verify that the feedback loop is properly connected and the compensation network is correct. Use an oscilloscope to check for oscillations, ringing, or other anomalies. Refer to the datasheet and application notes for more troubleshooting tips.

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LTC3862HFE-2#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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