NXP provides a recommended PCB layout in the application note AN11524, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The input capacitor value depends on the input voltage, output voltage, and output current. A general guideline is to use a capacitor with a value between 1uF to 10uF, with a voltage rating higher than the input voltage. NXP recommends using a capacitor with a low ESR (Equivalent Series Resistance) to minimize voltage ripple and ensure stable operation.
While the datasheet specifies an operating temperature range of -40°C to 125°C, NXP recommends an ambient temperature of up to 105°C for reliable operation. Exceeding this temperature may affect the device's performance, reliability, and lifespan.
To ensure EMC compliance, follow the guidelines in the NXP application note AN11524, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a metal shield or a Faraday cage to enclose the device and minimize electromagnetic radiation.
The output capacitor value and type depend on the output voltage, output current, and desired ripple voltage. A general guideline is to use a capacitor with a value between 1uF to 10uF, with a voltage rating higher than the output voltage. NXP recommends using a low-ESR capacitor, such as a ceramic or film capacitor, to minimize voltage ripple and ensure stable operation.
PUMD24,115 datasheet
by NXP Semiconductors
