Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output traces short, using a solid ground plane, and minimizing noise coupling. Additionally, ensure the device is placed near the power supply and use a low-ESR capacitor for decoupling.
The output capacitor value depends on the specific application requirements, such as output voltage, current, and ripple. A general guideline is to use a capacitor with a value between 10uF to 47uF, with a voltage rating at least 1.5 times the output voltage. However, it's recommended to consult the datasheet and application notes for more specific guidance.
The maximum input voltage rating for the CDCEL937PWR is 6.5V. Exceeding this voltage may damage the device. It's essential to ensure the input voltage remains within the recommended operating range to maintain device reliability and performance.
The CDCEL937PWR is rated for operation up to 125°C (TJ). However, the device's performance and reliability may degrade at higher temperatures. It's recommended to consult the datasheet and application notes for guidance on thermal management and derating the device for high-temperature applications.
To ensure stability, follow the recommended PCB layout, use a suitable output capacitor, and ensure the input voltage is within the recommended range. Additionally, consult the datasheet and application notes for guidance on compensation and stability analysis. If oscillations occur, check for noise coupling, layout issues, or incorrect component values.
CDCEL937PWR datasheet
by Texas Instruments
