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LT3956IUHE#TRPBF - Analog Devices

Description: LED Lighting Drivers 80Vin, 80Vout Constan-Current, Constant-Voltage Converter

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LT3956IUHE#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3956IUHE#TRPBF - Analog Devices PCB footprint - Other - Other - UHE Package Variation: UHE36(28)MA
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LT3956IUHE#TRPBF - Analog Devices - 3D model - Other - UHE Package Variation: UHE36(28)MA
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LT3956IUHE#TRPBF Details

  • Manufacturer Part Number:

    LT3956IUHE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 6 MM, LEAD FREE, PLASTIC, QFN-36

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1836

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4.6 A

  • Output Voltage-Max:

    80 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1050 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • 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

LT3956IUHE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LT3956IUHE#TRPBF near a thermal pad or a heat sink, and ensuring that there are no thermal barriers between the device and the heat sink. Additionally, using a 2-layer or 4-layer PCB with a solid ground plane can help to dissipate heat more efficiently.
  • To ensure reliable start-up of the LT3956IUHE#TRPBF in a high-voltage application, it is recommended to use a soft-start circuit to limit the inrush current during start-up. This can be achieved by adding a resistor and capacitor in series between the VIN pin and the input voltage source.
  • The maximum allowed voltage on the EN pin of the LT3956IUHE#TRPBF is 6V. Exceeding this voltage may damage the device. It is recommended to use a voltage divider or a zener diode to limit the voltage on the EN pin to within the recommended range.
  • To troubleshoot oscillations or instability in the output voltage of the LT3956IUHE#TRPBF, check the PCB layout for any parasitic inductance or capacitance that may be causing the oscillations. Also, ensure that the output capacitor is of sufficient value and that the feedback loop is properly compensated. Additionally, check the input voltage and current for any noise or ripple that may be affecting the output voltage.
  • The recommended input capacitor type for the LT3956IUHE#TRPBF is a low-ESR ceramic capacitor with a value of 10uF to 22uF. This helps to filter out any noise or ripple on the input voltage and ensures stable operation of the device.

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LT3956IUHE#TRPBF 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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