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LM2576-12WU-TR - Microchip

Description: Switching Voltage Regulators 3A Step-Down SMPS Regulator

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LM2576-12WU-TR - Microchip PCB footprint - Other - Other - TO-263 (U)_2021-1
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LM2576-12WU-TR Details

  • Manufacturer Part Number:

    LM2576-12WU-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TO-263, 5 PIN

  • Pin Count:

    5

  • Manufacturer Package Code:

    DDPAK-5

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    7

  • 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-PSSO-G5

  • JESD-609 Code:

    e3

  • Length:

    10.363 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    7.5 A

  • Output Voltage-Max:

    12.6 V

  • Output Voltage-Min:

    11.4 V

  • Output Voltage-Nom:

    12 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP5H,.6,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.597 mm

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.702 mm

  • Terminal Position:

    SINGLE

  • Width:

    8.7805 mm

LM2576-12WU-TR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576-12WU-TR 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 ceramic capacitor in parallel with the output capacitor.
  • The maximum output current that the LM2576-12WU-TR can deliver 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 Vout) / (f x ΔV), where Cin is the input capacitance, Iout is the output current, Vout is the output voltage, f is the switching frequency, and ΔV is the input voltage ripple.
  • The feedback pin (FB) is used to regulate the output voltage. It is connected to the output voltage through a resistive divider network, which sets the desired output voltage. The FB pin is internally connected to a voltage reference, which compares the output voltage to the internal reference voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage.

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LM2576-12WU-TR 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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