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LT1977IFE#TRPBF - Analog Devices

Description: Switching Voltage Regulators Hi V 1.5A, 500kHz Buck Sw Reg w/ 100uA

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LT1977IFE#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT1977IFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 16-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation BC
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3D Models
LT1977IFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package 16-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation BC
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LT1977IFE#TRPBF Details

  • Manufacturer Part Number:

    LT1977IFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.4 MM, LEAD FREE, PLASTIC, 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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    3.3 V

  • Input Voltage-Nom:

    12 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

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    575 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

LT1977IFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1977IFE involves keeping the input and output traces short and separate, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, it's essential to follow the recommended compensation network and component values, keep the input and output impedance low, and avoid capacitive loads. Additionally, using a low-ESR output capacitor and a high-quality input capacitor can help prevent oscillations.
  • The maximum output current capability of the LT1977IFE is 1.5A. However, the device can deliver higher currents for short durations. It's essential to consider the thermal limitations and ensure proper heat sinking to prevent overheating.
  • The LT1977IFE is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the thermal derating and ensure proper heat sinking to prevent overheating.
  • The input capacitor should have a low equivalent series resistance (ESR) and be rated for the input voltage. The output capacitor should have a low ESR and be rated for the output voltage and current. X5R or X7R ceramic capacitors are recommended for both input and output capacitors.

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LT1977IFE#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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