ROHM recommends a compact PCB layout with short traces and minimal vias to reduce parasitic inductance and capacitance. A 4-layer PCB with a solid ground plane is also recommended to minimize noise and EMI.
To ensure reliability, follow the recommended operating temperature range (up to 125°C) and derate the output current accordingly. Also, ensure proper thermal management, such as using a heat sink or thermal interface material, to keep the junction temperature within the specified range.
ROHM recommends using a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF, depending on the input voltage and output current requirements. This helps to filter out noise and ensure stable operation.
Yes, the KDZLVTR120 can be used in a parallel configuration to increase the output current. However, it's essential to ensure that the input and output capacitors are properly sized and that the devices are properly synchronized to avoid oscillations and noise.
To troubleshoot issues, start by checking the input voltage, output current, and PCB layout for any errors or inconsistencies. Verify that the device is properly soldered and that there are no signs of physical damage. Use an oscilloscope to monitor the output voltage and current waveforms, and consult the datasheet and application notes for guidance on troubleshooting specific issues.
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KDZLVTR120 Overview
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