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 recommended. Additionally, place the input and output capacitors close to the IC and use a thermal relief pattern for the GND pin.
To ensure stability, follow the recommended component values and PCB layout. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. Also, consider adding a small resistor (e.g., 10Ω) in series with the output capacitor to prevent oscillation.
While the datasheet specifies an operating temperature range of -40°C to 125°C, ROHM recommends derating the device for reliable operation above 85°C. For ambient temperatures above 85°C, reduce the output current and voltage to prevent overheating and ensure reliable operation.
Yes, the LMR932F-GE2 is designed to withstand vibrations up to 10G. However, ensure that the PCB is properly secured and the components are properly soldered to prevent mechanical stress and vibration-induced failures.
Start by verifying the input voltage, output voltage, and current. Check for proper PCB layout, component values, and soldering. Use an oscilloscope to check for oscillations or noise on the output. If issues persist, consult the ROHM application notes and contact ROHM support for further assistance.
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LMR932F-GE2 Overview
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