Richtek recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to improve thermal dissipation. Additionally, a thermal pad on the bottom of the IC should be connected to the ground plane using multiple vias.
To ensure stable output voltage regulation, it's essential to follow the recommended input and output capacitor selection, as well as the PCB layout guidelines. Additionally, the input voltage should be well-regulated, and the output load should be within the specified range.
The maximum allowed input voltage ripple for the RT8024GB is 1% of the input voltage, but it's recommended to keep the ripple below 0.5% to ensure stable operation.
The RT8024GB is rated for operation up to 85°C, but it's recommended to derate the output current and input voltage according to the temperature derating curve provided in the datasheet to ensure reliable operation.
The power dissipation of the RT8024GB can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current.
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