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LTC2947IUFE#PBF - Analog Devices

Description: POWER/ENERGY MONITOR, 4.5V UVLO, QFN-32; Threshold Voltage:4.5V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:4.5V; Supply Voltage Max:15V; Reset Type:Internal; Digital IC Case:QFN; No. of Pins:32Pins; Delay Time:0ns RoHS Compliant: Yes

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LTC2947IUFE#PBF - Analog Devices PCB footprint - Other - Other - LTC2947IUFE#PBF-2
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LTC2947IUFE#PBF Details

  • Manufacturer Part Number:

    LTC2947IUFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    05-08-1938

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC2947IUFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2947 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.
  • To ensure accurate current measurements, use a sense resistor with a low temperature coefficient, keep the sense resistor close to the IC, and use a Kelvin connection to the sense resistor. Also, ensure that the sense resistor is properly calibrated.
  • The maximum ambient temperature range for the LTC2947 is -40°C to 125°C. However, the device can operate at a higher temperature range with derating.
  • Yes, the LTC2947 can be used with a switching regulator. However, ensure that the switching frequency is not within the bandwidth of the LTC2947's current sense amplifier to avoid interference.
  • The power dissipation of the LTC2947 can be calculated using the formula: Pd = (VIN x IIN) + (VOUT x IOUT) + (VIN x IQ), where VIN is the input voltage, IIN is the input current, VOUT is the output voltage, IOUT is the output current, and IQ is the quiescent current.

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LTC2947IUFE#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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