Texas Instruments provides a recommended PCB layout in the LM25066 datasheet, which includes a thermal pad connected to a large copper area on the PCB to dissipate heat. Additionally, it's recommended to use a 4-layer PCB with a solid ground plane to reduce thermal resistance.
To ensure stability, follow the recommended component values and PCB layout in the datasheet. Additionally, make sure to decouple the input and output with ceramic capacitors, and use a low-ESR output capacitor. Also, ensure that the feedback network is properly compensated and the loop gain is sufficient.
The maximum input voltage for the LM25066 is 42V, but it's recommended to operate the device within the specified input voltage range of 6.5V to 36V for optimal performance and reliability.
The LM25066 is rated for operation up to 150°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper thermal management to prevent overheating.
Use an oscilloscope to monitor the output voltage, input voltage, and switching node waveforms. Check for signs of oscillation, ringing, or voltage droop. Verify that the component values and PCB layout match the recommended design. Consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
LM25066IPSQX/NOPB Overview
Use the download button to access the LM25066IPSQX/NOPB schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM250,
or try a keyword search, such as Power Management Circuits
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
