The recommended PCB layout for optimal thermal performance involves placing a thermal pad on the bottom of the package, using a minimum of 2oz copper thickness, and ensuring good thermal conduction to the surrounding copper area. A thermal via array can also be used to improve heat dissipation.
To ensure stable output voltage regulation, it is recommended to use a minimum output capacitance of 10uF, with a low ESR (Equivalent Series Resistance) ceramic capacitor. Additionally, the input capacitor should be placed close to the VIN pin, and the output capacitor should be placed close to the VOUT pin.
The maximum ambient temperature for reliable operation of the AP1701DWG-7 is 85°C. However, the device can operate up to 125°C with derating. It is recommended to follow the thermal derating curve provided in the datasheet to ensure reliable operation.
Yes, the AP1701DWG-7 is qualified to AEC-Q100 Grade 1, making it suitable for high-reliability and automotive applications. However, it is recommended to follow the specific requirements and guidelines for the target application, including any necessary testing and validation.
To troubleshoot issues with the AP1701DWG-7, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors meet the recommended specifications, and check for any signs of overheating or thermal stress. Use an oscilloscope to check for any oscillations or noise on the output voltage. If the issue persists, consult the datasheet and application notes, or contact Diodes Incorporated support for further assistance.
AP1701DWG-7 datasheet
by Diodes Incorporated
