STMicroelectronics recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane to reduce thermal resistance.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, including the maximum junction temperature (Tj) of 150°C. Additionally, consider using thermal management techniques, such as heat sinks or fans, to keep the device temperature within the recommended range.
The recommended input capacitance for the TS861AIDT is 10nF to 100nF, depending on the specific application and noise requirements. A larger input capacitance can help filter out high-frequency noise, but may also increase the startup time and affect the device's stability.
To troubleshoot issues with the TS861AIDT's output voltage regulation, check the input voltage, output load, and feedback resistors. Ensure that the input voltage is within the recommended range, the output load is within the specified current limit, and the feedback resistors are correctly configured. Also, verify that the device is properly decoupled and that there are no noise or oscillation issues.
Yes, the TS861AIDT can be used in a switching regulator application, but it's essential to ensure that the device is properly configured and decoupled to handle the high-frequency switching noise. Additionally, consider using a suitable output capacitor and inductor to filter out the switching noise and ensure stable operation.
TS861AIDT datasheet
by STMicroelectronics
Findchips
Findchips