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LM2575-3.3WT - Microchip

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

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LM2575-3.3WT - Microchip - PCB symbol
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PCB Footprints
LM2575-3.3WT - Microchip PCB footprint - Other - Other - TO-220(T)
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3D Models
LM2575-3.3WT - Microchip - 3D model - Other - TO-220(T)
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LM2575-3.3WT Details

  • Manufacturer Part Number:

    LM2575-3.3WT

  • 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

  • Factory Lead Time:

    8 Weeks

  • 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:

    3.465 V

  • Output Voltage-Min:

    3.135 V

  • Output Voltage-Nom:

    3.3 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

LM2575-3.3WT Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2575-3.3WT is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF with an ESR of less than 1 ohm. Additionally, the output voltage can be further stabilized by adding a 10nF capacitor between the output and ground.
  • The maximum output current that the LM2575-3.3WT can provide is 1A. Exceeding this current can cause the device to overheat and potentially fail.
  • The input capacitor value can be calculated using the following formula: Cin = (Iout x ΔI) / (f x ΔV), where Cin is the input capacitance, Iout is the output current, ΔI is the input ripple current, f is the switching frequency, and ΔV is the input voltage ripple.
  • The feedback pin is used to regulate the output voltage. It is connected to a resistive divider network that sets the output voltage. The feedback pin is also used to monitor the output voltage and adjust the switching frequency to maintain a stable output voltage.

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LM2575-3.3WT 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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