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 4-layer PCB with a solid ground plane is also recommended.
To ensure stable output voltage, use a high-quality input capacitor (e.g., X5R or X7R ceramic) with a value of at least 10uF, and place it close to the VIN pin. Additionally, use a low-ESR output capacitor (e.g., 22uF) to reduce output voltage ripple.
Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the device.
The output voltage accuracy is typically ±2% over the entire operating temperature range. To calculate the output voltage tolerance, add the initial accuracy (±2%) to the temperature coefficient (±0.5%/°C) and the load regulation (±1%).
A 10uF to 22uF X5R or X7R ceramic capacitor is recommended for noise reduction. This value provides a good balance between noise filtering and stability. Place the capacitor close to the VIN pin to minimize noise coupling.
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut
