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LM2574-5.0YN - Microchip

Description: Microchip LM2574-5.0YN, Step Down DC-DC Converter, 500mA, 8-Pin PDIP

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LM2574-5.0YN - Microchip - PCB symbol
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LM2574-5.0YN - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Pin DIP (N)
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LM2574-5.0YN - Microchip - 3D model - Dual-In-Line Packages - 8-Pin DIP (N)
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LM2574-5.0YN Details

  • Manufacturer Part Number:

    LM2574-5.0YN

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    PDIP-8

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.525 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    5.25 V

  • Output Voltage-Min:

    4.75 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • 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 Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM2574-5.0YN Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2574-5.0YN 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 LM2574-5.0YN can provide is 3A. 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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LM2574-5.0YN Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like LM257, or try a keyword search, such as Switching Regulator or Controllers

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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