ROHM recommends a 4-layer PCB with a solid ground plane, and to place the LA-601ML near the power source to minimize loop area and reduce EMI. Additionally, use a ferrite bead or a choke coil in series with the power supply line to reduce high-frequency noise.
ROHM recommends attaching a heat sink to the LA-601ML, especially in high-power applications. The heat sink should be designed to have a thermal resistance of less than 10°C/W. Additionally, ensure good airflow around the device and avoid blocking the airflow with other components.
The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device. It's recommended to use a voltage divider or a level shifter to ensure the EN pin voltage is within the recommended range.
The LA-601ML is rated for operation up to 105°C. However, the device's performance and reliability may degrade at high temperatures. ROHM recommends derating the output current and voltage according to the temperature derating curve provided in the datasheet.
ROHM recommends checking the input voltage, output voltage, and current to ensure they are within the recommended ranges. Also, check for proper PCB layout, thermal management, and decoupling capacitors. If issues persist, contact ROHM's technical support for further assistance.
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LA-601ML Overview
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