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LT1268CT#PBF - Analog Devices

Description: SWITCHING REG 7.5A, TO-220-5, 1268

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LT1268CT#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT1268CT#PBF - Analog Devices PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - T Package 5-Lead TO-220
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LT1268CT#PBF Details

  • Manufacturer Part Number:

    LT1268CT#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, TO-220, 5 PIN

  • Pin Count:

    5

  • Manufacturer Package Code:

    05-08-1421 (STD)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PZFM-T5

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    7.5 A

  • Output Voltage-Nom:

    1.244 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    21.92 mm

  • Supply Current-Max (Isup):

    10 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    150 kHz

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    ZIG-ZAG

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

    30

  • Width:

    4.49 mm

LT1268CT#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1268CT involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR and is properly sized for the output current. Additionally, avoid using long output traces and keep the feedback loop short.
  • The LT1268CT can operate in an ambient temperature range of -40°C to 85°C. However, the device's performance and reliability may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 70°C for optimal performance.
  • Yes, the LT1268CT can be used in a switching regulator design, but it's not recommended as it's a linear regulator. The LT1268CT is designed for low-dropout linear regulation and may not be suitable for switching regulator applications. Instead, consider using a switching regulator IC specifically designed for switching regulator applications.
  • The power dissipation of the LT1268CT can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Make sure to consider the maximum power dissipation rating of the device and ensure that it's properly heat-sinked to prevent overheating.

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LT1268CT#PBF 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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