A good PCB layout for the LM4952TS/NOPB involves separating the analog and digital grounds, using a star-ground configuration, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated ground plane to reduce noise and EMI.
The choice of input and output capacitors for the LM4952TS/NOPB depends on the specific application and operating conditions. In general, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be chosen based on the desired ripple voltage and output impedance.
The LM4952TS/NOPB is rated for operation from -40°C to 85°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to derate the device's power dissipation and operating frequency at high temperatures.
Yes, the LM4952TS/NOPB is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is manufactured using a robust process that ensures high reliability and low defect rates.
Common issues with the LM4952TS/NOPB can often be traced to poor PCB layout, inadequate decoupling, or incorrect component selection. To troubleshoot, start by verifying the PCB layout and component values, then check the power supply and output voltage ripple. If the issue persists, consult the datasheet and application notes for guidance.
LM4952TS/NOPB datasheet
by Texas Instruments
