The recommended PCB layout for the MAX8903HETI+T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate power plane for the input and output voltages to reduce noise and EMI.
The selection of input and output capacitors for the MAX8903HETI+T depends on the specific application requirements. In general, it's recommended to use low-ESR capacitors with a capacitance value of 10uF to 22uF for the input and output. The capacitor selection should also consider the voltage rating, ripple current, and temperature range of the application.
The MAX8903HETI+T has an operating ambient temperature range of -40°C to +125°C. However, the device's performance and reliability may be affected at extreme temperatures, and it's recommended to derate the device's performance accordingly.
Proper thermal management of the MAX8903HETI+T involves providing adequate heat sinking, using a thermal pad or heat sink, and ensuring good airflow around the device. The device's thermal pad should be connected to a solid ground plane or a heat sink to dissipate heat effectively.
The recommended input voltage range for the MAX8903HETI+T is 2.5V to 5.5V. Operating the device outside of this range may affect its performance and reliability.
MAX8903HETI+T datasheet
by Maxim Integrated Products
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