STMicroelectronics recommends a star-ground configuration, with the GND pin connected to a solid ground plane, and the VIN and VOUT pins placed as close as possible to the input and output capacitors, respectively, to minimize noise and ensure stability.
Choose X7R or X5R ceramic capacitors with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF for the input capacitor, and 1uF to 22uF for the output capacitor, depending on the specific application requirements.
The maximum ambient temperature for the LE33ABZ is 85°C. As the temperature increases, the device's performance may degrade, with a reduction in output voltage accuracy and an increase in quiescent current. Ensure proper thermal management and heat dissipation to maintain optimal performance.
Yes, the LE33ABZ is suitable for high-reliability and automotive applications, as it meets the AEC-Q100 qualification standard for automotive-grade devices. However, ensure that the device is used within its specified operating conditions and that the application meets the required safety and reliability standards.
Use external overvoltage protection (OVP) and undervoltage lockout (UVLO) circuits to protect the LE33ABZ from voltage transients and faults. The OVP circuit should be designed to trigger at a voltage above the maximum input voltage rating, and the UVLO circuit should be set to a voltage below the minimum input voltage rating.
LE33ABZ datasheet
by STMicroelectronics
