STMicroelectronics provides a recommended PCB layout in their application note AN4967, which includes guidelines for thermal pad connection, copper pouring, and via placement to ensure optimal thermal performance.
The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF. Refer to the application note AN4967 for more detailed guidance.
The maximum allowed voltage on the enable pin (EN) is 6V. Exceeding this voltage may damage the device. It's recommended to use a voltage divider or a level shifter if the control signal is higher than 6V.
The Z0107MA1AA2 is rated for operation up to 150°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the thermal management and derate the output current accordingly to ensure reliable operation.
To ensure proper power-up and power-down, follow the recommended power-up sequence: 1) Apply input voltage, 2) Apply enable signal (EN), and 3) Apply output load. For power-down, reverse the sequence. Additionally, ensure the input voltage is stable and within the recommended range before applying the enable signal.
Z0107MA1AA2 datasheet
by STMicroelectronics
