For optimal thermal performance, it is recommended to have a solid copper plane under the package, and to use thermal vias to connect the plane to the top layer. Additionally, keeping the PCB layer as thin as possible and using a thermal pad under the device can help to reduce thermal resistance.
To ensure stability and prevent oscillation, it is recommended to follow the recommended capacitor values and types in the datasheet, and to place the input and output capacitors as close to the device as possible. Additionally, using a low-ESR output capacitor and a high-quality input capacitor can help to reduce the risk of oscillation.
The maximum ambient temperature for reliable operation is 85°C, but it is recommended to derate the device's power dissipation at higher temperatures to ensure reliable operation. The device's power dissipation should be derated by 50% at 70°C and by 75% at 80°C.
The AZ1085CD-3.3TRG1 is an industrial-grade device, but it is not specifically designed for high-reliability or automotive applications. For such applications, it is recommended to use devices that are specifically designed and qualified for those markets, such as AEC-Q100 qualified devices.
The recommended input capacitor type is a ceramic capacitor with a value of 1-10uF, and a voltage rating of at least 6.3V. The capacitor should be placed as close to the device's input pin as possible to reduce noise and improve stability.
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AZ1085CD-3.3TRG1 Overview
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