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LM2575-12WT - Microchip

Description: Switching Voltage Regulators 1A Step-Down SMPS Regulator

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LM2575-12WT - Microchip - PCB symbol
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PCB Footprints
LM2575-12WT - Microchip PCB footprint - Other - Other - 5-Pin TO-220 (T)_2023
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LM2575-12WT - Microchip - 3D model - Other - 5-Pin TO-220 (T)_2023
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LM2575-12WT Details

  • Manufacturer Part Number:

    LM2575-12WT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT, TO-220, 5 PIN

  • Pin Count:

    5

  • Manufacturer Package Code:

    TO-220-5

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    6

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XSFM-T5

  • JESD-609 Code:

    e3

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    12.6 V

  • Output Voltage-Min:

    11.4 V

  • Output Voltage-Nom:

    12 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP5,.1,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

LM2575-12WT Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2575-12WT is 40V, but it's recommended to keep it below 35V for reliable operation.
  • The LM2575-12WT has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the temperature.
  • To ensure the output voltage is stable and accurate, make sure to use a stable input voltage, choose the correct output capacitor value, and keep the feedback resistors within the recommended range. Also, ensure that the layout is clean and free from noise.
  • The LM2575-12WT is a switching regulator, and it can generate switching noise. However, you can minimize the noise by using a proper layout, shielding, and filtering techniques. You can also consider using a linear regulator or a low-noise switching regulator if noise is a critical concern.
  • The output current capability of the LM2575-12WT depends on the input voltage, output voltage, and ambient temperature. You can use the datasheet's thermal derating curves and output current vs. input voltage graphs to estimate the maximum output current. A general rule of thumb is to derate the output current by 10-20% to ensure reliable operation.

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LM2575-12WT Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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