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National Semiconductor LM2675MX-ADJ

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National Semiconductor
8-SOIC (0.154, 3.90mm Width)
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    LM2675MX-ADJ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM2675MX-ADJ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LM2675MX-ADJ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    LM2675MX-ADJ Typical application Circuitry Schematics


    The LM2675MX-ADJ is a simple and efficient switching regulator from Texas Instruments. It functions as a step-down "buck" regulator with good line and load regulation, able to drive loads up to 1A. Here is a diagram to help you comprehend how the LM2675MX-ADJ's circuit connections are made: 

    1. Input and Output Capacitors: A capacitor of around 100 μF should be connected close to the IN and GND pins for input decoupling. The output capacitor is typically in the range of 150 μF to 1000 μF depending on your load and ripple requirements. It should be connected between the OUT pin and GND. 

    2. Feedback Resistors: The LM2675MX-ADJ allows the output voltage to be set via two external resistors R1 and R2. These should be connected in a series from the OUT pin to the FB pin, with the junction of the two resistors connected to FB. 

    3. Inductor: A suitable inductor should be connected between the Switch pin and the junction of the output capacitor and load. This inductor value typically ranges from 22 μH to 68 μH. 

    4. Bootstrap Capacitor: A small ceramic capacitor (100 nF is a typical value) is connected from the BOOT pin to the Switch pin. This capacitor is required for the high-side gate drive. 

    5. Shutdown: If you wish to use the shutdown feature, you can apply a logic signal to the ON/OFF pin. Pull this pin high (to Vin) to enable the regulator, and ground it to shut down the regulator. 

    6. Grounding: Connect all GND pins to your system ground. 

    7. Thermal Considerations: Since the LM2675MX-ADJ is in a surface mount package, ensure your PCB layout provides good heat dissipation. 

    Remember, this is a simple guide and your specific application might need additional components or different values. Always refer to the LM2675MX-ADJ datasheet for detailed information, especially for component selection and layout recommendations. Proper decoupling and careful PCB layout are critical for optimal performance and reliability.

    LM2675MX-ADJ informationLM2675MX-ADJ information

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