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LT3971EDD#PBF - Analog Devices

Description: Switching Voltage Regulators 40V, 1.2A, 2MHz Step-Down Switching Regulator with 2uA Quiescent Current

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LT3971EDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)_a
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LT3971EDD#PBF - Analog Devices  - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm)_a
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LT3971EDD#PBF Details

  • Manufacturer Part Number:

    LT3971EDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 1.19 V TO 30 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4.3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, 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:

    BUCK

  • Switching Frequency-Max:

    2400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3971EDD#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3971EDD is 60V, but it's recommended to operate within the specified input voltage range of 4.5V to 40V for optimal performance.
  • To ensure the stability of the output voltage, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, the output voltage should be decoupled with a capacitor to prevent oscillations.
  • The maximum output current that the LT3971EDD can deliver is 1.5A, but it's recommended to operate within the specified output current range of 0A to 1.2A for optimal performance and to prevent overheating.
  • The output voltage of the LT3971EDD can be programmed using an external resistor divider network connected to the FB pin. The output voltage can be calculated using the formula: VOUT = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
  • The EN (enable) pin on the LT3971EDD is used to enable or disable the regulator. When the EN pin is pulled high, the regulator is enabled, and when it's pulled low, the regulator is disabled. This pin can be used to implement power sequencing or to turn off the regulator when not in use.

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LT3971EDD#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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