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LTC3355IUF#TRPBF - Analog Devices

Description: Switching Voltage Regulators 20V 1A Buck DC/DC with Integrated SCAP Charger and Backup Regulator

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LTC3355IUF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead Plastic QFN (4mm × 4mm)
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LTC3355IUF#TRPBF - Analog Devices  - 3D model - Quad Flat No-Lead - 20-Lead Plastic QFN (4mm × 4mm)
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LTC3355IUF#TRPBF Details

  • Manufacturer Part Number:

    LTC3355IUF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1710

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 2.7 VOLT TO 5 VOLT

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5.5 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    2.7 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1250 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC3355IUF#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 36V, but it's recommended to keep it below 34V to ensure reliable operation.
  • To minimize noise and EMI, it's recommended to follow a star-ground configuration, keep the input and output capacitors close to the IC, and use a solid ground plane. Additionally, use a shielded inductor and keep the switching node (SW pin) away from sensitive nodes.
  • The recommended operating temperature range for the LTC3355IUF is -40°C to 125°C, but it can operate up to 150°C with reduced performance and reliability.
  • To select the right inductor, consider the maximum current rating, inductance value, and core material. A good starting point is to use an inductor with a current rating of at least 1.5 times the maximum output current, and an inductance value between 1uH to 10uH. Ferrite or iron powder cores are recommended.
  • The TRK/SS pin is used for tracking and soft-start functions. It can be used to track an external voltage or to implement a soft-start function by connecting a capacitor and a resistor to this pin. Refer to the datasheet for more information on how to use this pin.

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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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Part Image LTC3355EUF#PBF Analog Devices Inc

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Part Image LTC3355IUF#PBF Analog Devices Inc

Switching Regulator, Current-mode, 5.5A, 1250kHz Switching Freq-Max, CMOS, PQCC20