STMicroelectronics provides a recommended PCB layout in the application note AN5275, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF. The datasheet provides more detailed information on input capacitor selection.
The STLC3055QTR is rated for operation up to 125°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation above 85°C. Consult the datasheet for thermal derating curves and guidelines.
The STLC3055QTR has a built-in OVP feature, but it can be further enhanced by adding an external voltage supervisor or a dedicated OVP IC. The application note AN5275 provides more information on implementing OVP for the STLC3055QTR.
The output capacitor value and type depend on the output voltage, output current, and desired ripple voltage. A general guideline is to choose a low-ESR capacitor with a value between 10uF to 47uF. The datasheet provides more detailed information on output capacitor selection.
STLC3055QTR datasheet
by STMicroelectronics
