NXP provides a recommended PCB layout in the application note AN11542, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The output capacitor selection depends on the specific application requirements, such as output voltage, current, and ripple. NXP recommends using a low-ESR capacitor with a value between 4.7 μF and 22 μF, and a voltage rating of at least 2x the output voltage. A detailed capacitor selection guide is available in the application note AN11542.
The maximum ambient temperature for the BGR269,112 is 85°C, but it can be derated to 70°C for high-reliability applications. It's essential to consider the thermal management and heat dissipation in the system design to ensure the device operates within the recommended temperature range.
The BGR269,112 is designed for low-voltage applications up to 5.5 V. While it can tolerate some voltage transients, it's not recommended for high-voltage applications. If you need a high-voltage regulator, consider using a different device, such as the NXP PCA8848, which is designed for high-voltage applications up to 40 V.
To ensure EMC, follow the guidelines in the application note AN11542, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a common-mode choke and a ferrite bead to filter out high-frequency noise and reduce EMI.
BGR269,112 datasheet
by NXP Semiconductors
