Texas Instruments recommends a compact layout with the input and output capacitors placed close to the device, and the feedback resistors placed close to the FB pin. A 4-layer PCB with a solid ground plane is recommended. Refer to the TPS6755IP evaluation module layout for a reference design.
The compensation network consists of R1, R2, C1, and C2. TI recommends using the WEBENCH Power Designer tool to optimize the compensation network for the specific application. The tool provides a recommended compensation network based on the input and output voltage, output current, and other parameters.
The TPS6755IP has an absolute maximum input voltage rating of 24V. However, the recommended maximum input voltage is 18V to ensure reliable operation and to prevent damage to the device.
The TPS6755IP is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. TI recommends derating the output current and using a heat sink or thermal management system to keep the junction temperature below 100°C.
To ensure stability, follow the recommended layout and placement guidelines, use a sufficient output capacitor with a low ESR, and optimize the compensation network using the WEBENCH Power Designer tool. Additionally, ensure that the input voltage is within the recommended range and the output current is within the specified limits.
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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.
