Bourns provides a recommended PCB layout and land pattern in their application notes. It's essential to follow these guidelines to ensure proper thermal management, minimize parasitic inductance, and optimize performance.
To minimize electromagnetic interference (EMI), keep the inductor at least 5 mm away from sensitive components. You can also use shielding techniques, such as copper tape or mu-metal shielding, to contain the magnetic field.
While the datasheet specifies a maximum rated voltage of 1005mV, it's essential to consider the voltage stress during transient events, such as inrush current or voltage spikes. As a general rule, keep the voltage stress below 120% of the rated voltage to ensure reliability.
The optimal operating frequency depends on your specific application requirements. Consider factors such as the inductor's self-resonant frequency, the switching frequency of your converter, and the desired filter characteristics. Consult Bourns' application notes or contact their technical support for guidance.
Ensure good thermal conductivity by using a thermally conductive PCB material and applying a thermal interface material (TIM) between the inductor and the PCB. Keep the inductor away from heat sources, and consider using a heat sink or thermal pad if necessary.
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