Texas Instruments provides a recommended PCB layout in the XTR101BG datasheet (section 10.1) and in the XTR101BG Evaluation Module User's Guide. It's essential to follow these guidelines to minimize noise, ensure proper thermal management, and optimize performance.
The XTR101BG has a wide input voltage range (4.5V to 60V). To select the correct input voltage range, consider the maximum voltage of your power supply, the voltage regulator's dropout voltage, and the desired output voltage. Refer to the datasheet (section 7.3) for more information on input voltage range selection.
The XTR101BG can deliver up to 1A of output current. However, the maximum output current depends on the input voltage, output voltage, and thermal conditions. Refer to the datasheet (section 7.4) for more information on output current capability and thermal derating.
To ensure stability and prevent oscillations, follow the recommended component selection and PCB layout guidelines in the datasheet (section 10.1). Additionally, ensure that the output capacitor is properly selected and placed close to the output pin. A minimum output capacitance of 10uF is recommended.
The EN (enable) pin is used to enable or disable the voltage regulator. When the EN pin is pulled high (above 1.4V), the regulator is enabled. When the EN pin is pulled low (below 0.4V), the regulator is disabled. This pin can be used to implement power sequencing, shutdown, or low-power modes in your design.
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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.
