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ON Semiconductor NCP1117ST50T3G

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ON Semiconductor
TO-261-4, TO-261AA
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    NCP1117ST50T3G this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including NCP1117ST50T3G 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 NCP1117ST50T3G 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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    NCP1117ST50T3G Typical application Circuitry


    The NCP1117ST50T3G is a low-dropout (LDO) voltage regulator, specifically designed to maintain a constant output voltage while providing up to 1A of output current. The chip excels in converting variable or slightly higher input voltage into a stable output voltage.

    Application Scenarios:

    - Power supply circuits - Battery chargers - Post-regulators for switching supplies

    Key Characteristics:

    - Output Voltage: Fixed at 5V. 

    - Maximum Output Current: 1A. 

    - Dropout Voltage: Typically around 1.07V at full load. 

    - Package: SOT-223.

    Application Scenario: 9V to 5V Power Supply Regulation for Microcontroller

    Consider a scenario where you are designing a circuit for a microcontroller that requires a stable 5V supply, and you're starting with a 9V battery:

    1. Input Voltage:- Connect the positive terminal of the 9V battery to the input pin (Vin) of the NCP1117ST50T3G.

    2. Ground:- Connect the GND (Ground) pin of the NCP1117ST50T3G to the negative terminal of the 9V battery and to the ground of your circuit.

    3. Output Voltage:- The Vout pin of the NCP1117ST50T3G will now provide a stable 5V. Connect this to the power input of the microcontroller or any other components requiring 5V.

    4. Input Capacitor:  - Attach a 10µF ceramic capacitor between the Vin pin of the NCP1117ST50T3G and ground. This helps in ensuring stability and filters input noise.

    5. Output Capacitor:  - Similarly, connect a 10µF ceramic capacitor between the Vout pin and ground. This capacitor helps stabilize the output and improve transient response.

    Design Considerations:

    - Heat Dissipation: The NCP1117ST50T3G can get warm under load, especially when there's a significant voltage drop from input to output. Consider adding a heat sink if the regulator becomes too warm.

    - Capacitor Type: While ceramic capacitors are recommended, tantalum capacitors can also be used. Ensure they have a voltage rating well above the expected input voltage.

    - Load Regulation: There may be small variations in output voltage as the load changes. When the load is at its highest, especially, always check the output with an oscilloscope or multimeter to make sure it is steady.

    - Maximum Input Voltage: Remember not to exceed the maximum input voltage of the NCP1117ST50T3G. Always check datasheet specifications before connecting the LDO to higher voltage sources.

    Incorporating the NCP1117ST50T3G in designs that require a steady 5V can prove fruitful, given its ease of use, minimal component requirement, and robust performance. This chip remains a solid choice for various 5V regulation tasks.

    NCP1117ST50T3G informationNCP1117ST50T3G information

    NCP1117ST50T3G FAQ

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    6. What is the process for return or replacement of NCP1117ST50T3G?

    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the NCP1117ST50T3G we delivered, we will accept the replacement or return of the NCP1117ST50T3G only when all of the below conditions are fulfilled:

    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

    (2)We are informed of the defect described above within 90 days after the delivery of NCP1117ST50T3G.

    (3)The PartNo is unused and only in the original unpacked packaging.

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