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Name: LM43603PWPEVM
Brand: Texas Instruments
SKU: LM43603PWPEVM
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments LM43603PWPEVM

Part No.:: LM43603PWPEVM

Manufacturer:: Texas Instruments

Package:

Datasheet:: LM43603PWPEVM.pdf

Description:: EVAL BOARD BUCK REG LM43603

In Stock:: 2317

Quantity:: Add To Cart

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LM43603PWPEVM Specifications

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LM43603PWPEVM information

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LM43603PWPEVM Typical application Circuitry

LM43603PWPEVM

The LM43603PWPEVM is an evaluation module (EVM) designed for testing and evaluating the performance of the LM43603, a synchronous buck regulator IC. The LM43603PWPEVM EVM provides a platform for engineers to assess the functionality, efficiency, and thermal performance of the LM43603 in various applications.

Important Uses

1. Power Management: Applicable to systems that need effective power conversion and voltage regulation.

2. automobile Electronics: Suitable for infotainment systems and automobile control units when voltage regulation is needed.

3. Industrial Controls: Used to provide a steady power supply in industrial automation systems.

Notable Elements

- Input Voltage Range: Typically supports 3.5V to 36V, accommodating a wide range of power sources.

- Output Voltage Range: Adjustable from 0.8V to the LM43603PWPEVM input voltage, allowing for versatile applications.

- Switching Frequency: Up to 2.2MHz, enabling compact and efficient designs.

- Current Capacity: Capable of delivering up to 3A output current.

Circuit Design for an Automotive Power Supply

1. Input Capacitance: Attach a 10µF capacitor close to the LM43603PWPEVM VIN and GND pins on the EVM to filter input noise and stabilize the supply.

2. Bootstrap Capacitor: Connect a 0.1µF ceramic capacitor between the BOOT and SW pins to ensure proper operation of the high-side switch.

3. Output Inductor: Select an inductor with a value of 4.7µH and place it between the SW pin and the output node to smooth the current flow.

4. Output Capacitor: Place a 22µF capacitor near the output and GND terminals to filter the output voltage and reduce ripple.

5. Feedback Network: Use resistors R1 and R2 to set the desired output voltage. Connect R1 between the output node and the FB pin, and R2 between the FB pin and GND.

6. Compensation Components: Add a series combination of a resistor and a capacitor between the FB pin and the COMP pin to stabilize the feedback loop and ensure stable operation.

7. Enable Pin: The EN pin can be connected to a logic signal or directly to VIN to enable or disable the regulator as needed.

8. Soft-Start Capacitor: A capacitor connected to the SS/TR pin controls the startup ramp time, preventing inrush currents and ensuring a smooth start-up.

Design Considerations

- Thermal Management: Proper heat dissipation is crucial, especially in automotive applications where temperatures can vary widely.

- Input Voltage Stability: Ensure that the input voltage remains within the specified range to avoid damage to the EVM and the LM43603 IC.

- Output Voltage Accuracy: Choose precise feedback resistors to achieve the desired output voltage with high accuracy.

- Switching Frequency Selection: Opt for a switching frequency that balances efficiency and component size, considering the noise constraints of automotive environments.

By following these guidelines, the LM43603PWPEVM can be effectively used to evaluate the LM43603 in an automotive power supply application, providing insights into its performance and suitability for various applications.

LM43603PWPEVM FAQ

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6. What is the process for return or replacement of LM43603PWPEVM?

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 LM43603PWPEVM we delivered, we will accept the replacement or return of the LM43603PWPEVM 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 LM43603PWPEVM.

(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