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LM2576-3.3WU - Microchip

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

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LM2576-3.3WU Details

  • Manufacturer Part Number:

    LM2576-3.3WU

  • 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:

    3.465 V

  • Output Voltage-Min:

    3.135 V

  • Output Voltage-Nom:

    3.3 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

LM2576-3.3WU Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576-3.3WU 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 LM2576-3.3WU 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 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 EN (Enable) pin is used to enable or disable the device. When the EN pin is pulled high, the device is enabled and operates normally. When the EN pin is pulled low, the device is disabled and the output voltage is turned off.

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LM2576-3.3WU 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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