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LTC3735EUHF#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3735EUHF#PBF - DC/DC CTRL, 2PH, INTEL, 0.7-1.71V, 40QFN

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LTC3735EUHF#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3735EUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF38
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LTC3735EUHF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF38
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LTC3735EUHF#PBF Details

  • Manufacturer Part Number:

    LTC3735EUHF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 7 MM, LEAD FREE, PLASTIC, MO220WHKD, QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.7 TO 1.708 V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    7 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    1.708 V

  • Output Voltage-Min:

    0.7 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    610 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LTC3735EUHF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3735EUHF#PBF involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a 4-layer board with a dedicated power plane and a dedicated ground plane to minimize noise and EMI.
  • The selection of input and output capacitors for the LTC3735EUHF#PBF depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. A good starting point is to use capacitors with a capacitance value of 10uF to 22uF and a voltage rating of 1.5 to 2 times the input voltage.
  • The LTC3735EUHF#PBF can operate at ambient temperatures up to 85°C, but the maximum junction temperature should not exceed 125°C. It's recommended to use a heat sink or a thermal pad to ensure proper heat dissipation, especially in high-power applications.
  • The LTC3735EUHF#PBF can be configured for a specific output voltage by adjusting the feedback resistors (RFB1 and RFB2) and the voltage divider resistors (R1 and R2). The output voltage can be calculated using the formula: VOUT = (RFB1/RFB2) * (1 + R2/R1) * VREF, where VREF is the internal reference voltage of 0.8V.
  • The minimum input voltage required for the LTC3735EUHF#PBF to operate is 2.5V, but it's recommended to use an input voltage of at least 3V to ensure proper operation and to account for any voltage drops in the system.

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LTC3735EUHF#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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