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LTC3612HFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3612HFE#PBF - DC-DC Switching Buck Step Down Regulator, Adjustable, 2.25V-5.5Vin, 600mV-5.5Vout, 3Aout, TSSOP-20

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LTC3612HFE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3612HFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)_2022
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3D Models
LTC3612HFE#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)_2022
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LTC3612HFE#PBF Details

  • Manufacturer Part Number:

    LTC3612HFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CB)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE DOWN TO 0.6V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.25 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    4000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LTC3612HFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3612HFE 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. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with experienced engineers or use online resources for more specific guidance.
  • The choice of input and output capacitors for the LTC3612HFE depends on the specific application requirements, such as the input voltage, output voltage, and output current. In general, low-ESR capacitors with a high ripple current rating are recommended. The datasheet provides some guidance on capacitor selection, but it's also important to consult with capacitor manufacturers and consider factors such as cost, size, and reliability.
  • The maximum ambient temperature for the LTC3612HFE is 85°C, but the device can operate at higher temperatures with derating. The datasheet provides a thermal derating curve that shows the maximum output current at different ambient temperatures. It's important to ensure that the device is properly cooled and that the maximum junction temperature is not exceeded.
  • The LTC3612HFE has a SYNC pin that allows multiple devices to be synchronized to a common clock signal. The SYNC pin can be connected to an external clock signal or to the SYNC pin of another LTC3612HFE device. The datasheet provides more information on synchronizing multiple devices, but it's also important to consider the specific application requirements and ensure that the devices are properly configured and laid out.
  • The typical efficiency of the LTC3612HFE depends on the specific application conditions, such as the input voltage, output voltage, and output current. However, according to the datasheet, the LTC3612HFE can achieve efficiencies of up to 95% or higher in some cases. The datasheet provides efficiency curves and equations that can be used to estimate the efficiency of the device in a specific application.

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LTC3612HFE#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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