A good PCB layout for the L9826TR should include a solid ground plane, wide power traces, and a thermal relief pattern under the IC to facilitate heat dissipation. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
Choose input capacitors with a low ESR (Equivalent Series Resistance) and a high ripple current rating to minimize voltage drops and ensure stable operation. A minimum capacitance of 10uF is recommended, with a voltage rating of at least 25V.
The maximum ambient temperature for the L9826TR is 85°C, but it's recommended to derate the device's power dissipation to ensure reliable operation at high temperatures.
Yes, the L9826TR is designed to withstand vibrations up to 10g, but it's recommended to use a secure mounting method, such as a screw or adhesive, to prevent the device from shifting or detaching during operation.
To troubleshoot issues with the L9826TR, check the input voltage, output voltage, and current consumption. Verify that the device is properly soldered and that the PCB layout is correct. Use an oscilloscope to check for voltage spikes or oscillations.
L9826TR datasheet
by STMicroelectronics
