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LT3844EFE#PBF - Analog Devices

Description: Linear Technology LT3844EFE#PBF, Buck Controller, 4 V Step-Down, 600 kHz, 16-Pin, TSSOP

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LT3844EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 16-Lead Plastic TSSOP--
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LT3844EFE#PBF - Analog Devices  - 3D model - Small Outline Packages - 16-Lead Plastic TSSOP--
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LT3844EFE#PBF Details

  • Manufacturer Part Number:

    LT3844EFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1663 (BC)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO HAS OUTPUT VOLTAGES UP TO 36V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    2.1 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • 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

LT3844EFE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3844EFE is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines provided in the datasheet, and to use a suitable output capacitor with a low ESR (Equivalent Series Resistance).
  • The SYNC pin is used to synchronize the switching frequency of the LT3844EFE with an external clock signal. This can be useful in noise-sensitive applications where it's essential to minimize electromagnetic interference (EMI). To use the SYNC pin, connect it to an external clock signal with a frequency between 200 kHz and 1 MHz.
  • The output voltage of the LT3844EFE can be calculated using the following formula: VOUT = (VFB x (R1 + R2) / R2), where VFB is the feedback voltage (typically 0.8V), R1 is the upper resistor in the voltage divider, and R2 is the lower resistor.
  • The maximum output current that the LT3844EFE can deliver is 4A, but this can be limited by the thermal performance of the device and the PCB design.

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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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