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Texas Instruments LM53603AMPWPR

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Texas Instruments
16-TSSOP (0.173, 4.40mm Width) Exposed Pad
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    LM53603AMPWPR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LM53603AMPWPR 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 LM53603AMPWPR 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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    LM53603AMPWPR Typical application Circuitry


    The LM53603AMPWPR is an integrated circuit (IC) manufactured by Texas Instruments, functioning as a synchronous buck (step-down) converter.

    LM53603AMPWPR's Role in Systems:

    Applications often exploit the LM53603AMPWPR for its high-efficiency voltage conversion in environments that include wireless infrastructure, automotive power rails, distributed supply regulation, and medical devices.

    Key Characteristics of the LM53603AMPWPR:

    1. Versatile Input Voltage: With an operational input voltage range of 3.8V to 36V, the LM53603AMPWPR is versatile in accommodating various power supply conditions.

    2. Efficiency: As a step-down converter, it is built for efficient energy conversion across a wide load spectrum.

    3. Frequency Flexibility: The IC provides an adjustable switching frequency between 200kHz to 2.2MHz, granting design flexibility.

    4. Protection Features: The LM53603AMPWPR is built with safety provisions, including cycle-by-cycle current limit, thermal shutdown, and an under-voltage lockout (UVLO), thus ensuring sturdy performance under diverse conditions.

    Example Application and Circuit Connection:

    Suppose we examine an application such as an automotive power rail. Critical pins on the LM53603AMPWPR include:

    1. Input Voltage (VIN, Pin 5): This pin connects to your power supply, ensuring it is within the chip's acceptable voltage range.

    2. Ground (PGND, Pin 9 & AGND, Pin 13): Both pins must be linked to the system's ground.

    3. Switch Node (SW, Pin 11): Connect an inductor here to enable the switch mode power supply.

    4. Feedback (FB, Pin 19): Link this pin to a voltage divider, permitting the IC to regulate the output voltage accurately.

    5. Enable Pin (EN, Pin 16): To activate the device, apply a suitable voltage here.

    When designing circuits using the LM53603AMPWPR, bear in mind to:

    - Respect Voltage Limits: The supply voltage must never exceed the chip's maximum input voltage.

    - Component Selection: Select passive components (capacitors, inductors) capable of handling your design's current and voltage levels.

    - Thermal Management: Use appropriate heat dissipation methods (heat sinks, thermal vias) to prevent overheating of the IC.

    - PCB Layout: Attentive PCB layout helps minimize noise, reduce parasitic elements, and ensure optimal performance.

    Always refer to the LM53603AMPWPR datasheet for comprehensive information and application-specific guidelines.

    LM53603AMPWPR informationLM53603AMPWPR information


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    6. What is the process for return or replacement of LM53603AMPWPR?

    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 LM53603AMPWPR we delivered, we will accept the replacement or return of the LM53603AMPWPR 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 LM53603AMPWPR.

    (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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