DC2062A-B

DC2062A-B demonstration circuit showcases the LT®4363 surge stopper in a 12V, 3A ISO-7637-2 application. Inputs of up to 50VDC and load dumps of up to 100V are limited to 25V at the output. The MOSFET is protected against output overloads by current limiting. Sustained overvoltage or overcurrent conditions cause the LT4363 to turn off after a timer delay. The LT4363-2 (DC2062A-B) automatically retries after a cool down delay; retry is inhibited if OV is higher than 1.275V.

• Input supply range from 5V to 23V at operating condition
• Undervoltage threshold range from 4 to 4.4V
• Retry inhibit threshold range from 18.2 to 20V

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