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LTC3789EGN#TRPBF - Analog Devices

Description: Switching Voltage Regulators High Efficiency, Synchronous, 4-Switch Buck-Boost Controller

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LTC3789EGN#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch)
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LTC3789EGN#TRPBF - Analog Devices  - 3D model - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch)
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LTC3789EGN#TRPBF Details

  • Manufacturer Part Number:

    LTC3789EGN#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, LEAD FREE, PLASTIC, SSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1641 (GN28)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 38V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.893 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    38 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    710 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.899 mm

LTC3789EGN#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 32V, but it's recommended to keep it below 28V for reliable operation.
  • To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, ensure that the output voltage is within the recommended range of 0.8V to 15V.
  • The SYNC pin is used to synchronize the switching frequency of multiple LTC3789 devices. To use it, connect the SYNC pins of multiple devices together, and set the switching frequency using an external clock signal or a resistor connected to the RT pin.
  • To calculate the inductor value, use the following formula: L = (VIN * (1 - D)) / (f * ΔI), where L is the inductor value, VIN is the input voltage, D is the duty cycle, f is the switching frequency, and ΔI is the inductor ripple current. Consult the datasheet for more information.
  • The maximum current rating of the internal switch is 3.5A. To calculate the maximum output current, use the following formula: Iout = (VIN - Vout) / (Rds(on) * 2), where Rds(on) is the on-resistance of the internal switch, and Vout is the output voltage.

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LTC3789EGN#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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