TPS5450DDAR

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Texas Instruments TPS5450DDAR

Part No.:
TPS5450DDAR
Manufacturer:
Texas Instruments
Package:
8-PowerSOIC (0.154, 3.90mm Width)
Datasheet:
TPS5450DDAR.pdf
Description:
IC REG BUCK ADJUSTABLE 5A 8SOPWR
In Stock:
15171
Quantity:
  Add To Cart
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    TPS5450DDAR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TPS5450DDAR 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 TPS5450DDAR 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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    TPS5450DDAR Typical application Circuitry


    The TPS5450DDAR is a step-down (buck) converter from Texas Instruments. It's specifically designed to convert a higher DC input voltage efficiently to a lower DC output voltage. The distinction between TPS5450DDA and TPS5450DDAR typically refers to packaging or other minor variations, but their core functionalities and features remain the same.

    Here's a description of the TPS5450DDAR and its typical use in a circuit:

    Features of the TPS5450DDAR:

    1. Wide Input Voltage Range: Ranging typically from 8V to 36V, which makes it suitable for a diverse set of applications.

    2. High Output Current: Capable of delivering up to 5A of output current.

    3. Adjustable Switching Frequency: The frequency can be adjusted from 100kHz to 2.5MHz, allowing for optimization based on specific application needs.

    4. Integrated High-Side MOSFET: This reduces the requirement for external components and simplifies the overall design.

    5. Eco-mode™ for Light Load Efficiency: Helps to maintain high efficiency even under light load conditions.

    6. Protection Mechanisms: Features like over-current protection, under-voltage lockout, and thermal shutdown ensure reliability and safety.

    7. Soft-Start: Gradual ramp-up of the output voltage helps in mitigating inrush current during startup.

    Typical Application Circuit Components:

    1. Input Capacitor (Cin): Placed close to the VIN and PGND pins, this capacitor suppresses input voltage spikes and provides the necessary AC current for the converter.

    2. Bootstrap Capacitor (Cboot): Situated between the BOOT and SW pins, it supports driving the internal high-side MOSFET.

    3. Output Capacitor (Cout): Ensures a consistent and stable output voltage.

    4. Inductor (L): Works as the primary energy storage and filtering component in conjunction with Cout.

    5. Feedback Resistors (R1 & R2): Connected to the feedback pin (VFB), they determine the output voltage based on a feedback mechanism.

    6. Frequency Setting Resistor (Rt): Tied to the RT pin, it defines the switching frequency of the converter.

    7. Soft-Start Capacitor (Css): Linked to the SS/TR pin, it sets the soft-start ramp-up duration.

    Additional components like Schottky diodes, bypass capacitors, and protection resistors might be needed based on the specific design requirements.

    For a detailed understanding, application notes, recommended component values, and precise specifications, it's always recommended to refer to the official datasheet of the TPS5450DDAR. Proper PCB layout is essential when working with switch-mode power supplies to ensure performance, stability, and minimized noise.


    TPS5450DDAR informationTPS5450DDAR information

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    6. What is the process for return or replacement of TPS5450DDAR?

    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 TPS5450DDAR we delivered, we will accept the replacement or return of the TPS5450DDAR 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 TPS5450DDAR.

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

    Two processes to return the products:

    (1)Inform us within 90 days

    (2)Obtain Requesting Return Authorizations

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