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LT3579IFE#PBF - Analog Devices

Description: 6A, 42V Combined Power Switch n Output Short Circuit Protection n Wide Input Range: 2.5V to 16V Operating, 40V Maximum Transient n LT3579-1: Dual-Phase Capable n Master/Slave (3.4A/2.6A) Switch Design n User Configurable Undervoltage Lockout n Easily Configurable as a Boost, SEPIC, Inverting, or Flyback Converter n Low VCESAT Switch: 250mV at 5.5A (Typical) n Can Be Synchronized to External Clock n Can Synchronize other Switching Regulators n High Gain SHDN Pin Accepts Slowly Varying Input Sign

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LT3579IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation CB.
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LT3579IFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation CB.
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LT3579IFE#PBF Details

  • Manufacturer Part Number:

    LT3579IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 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:

    9.4 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2800 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3579IFE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3579IFE#PBF is 28V, but it's recommended to keep it below 24V for optimal performance and reliability.
  • 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 input voltage should be well-regulated and free of noise.
  • The maximum output current that the LT3579IFE#PBF can deliver is 2A, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
  • The output voltage of the LT3579IFE#PBF 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 (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
  • The EN (enable) pin is used to turn the regulator on or off. 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 reduce power consumption in standby mode.

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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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