ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
To ensure stable operation, ROHM recommends using a low-pass filter or a ferrite bead in series with the input signal to reduce high-frequency noise and ringing.
The maximum allowable voltage on the EN pin is 6V, exceeding which may cause damage to the device. It's recommended to use a voltage limiter or a resistor divider to ensure the voltage stays within the specified range.
While the CSL1101WBCW1 is rated for operation up to 125°C, ROHM recommends derating the output current and voltage to ensure reliable operation in high-temperature environments. Consult the datasheet for specific derating guidelines.
Check the EN pin voltage and ensure it's within the specified range. Verify the input voltage and current are within the recommended operating conditions. Also, check for any layout or PCB issues that may be causing the problem.
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CSL1101WBCW1 Overview
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