LONG_NE_IR_DROP_VOLTAGE_RECOVERY

Published:2009/7/9 2:40:00 Author:May | From:SeekIC

This circuit provides a unique solution to a common system-level power distribution problem: When the supply voltage to a remote board must traverse a long cable, the voltage at the end of the line some-times drops to unacceptable levels. This + 5-V/ + 5-V converter addresses this by taking the reduced volt-age at the end of the supply line and boosting it back to + 5 V. This can be especially useful in remote display devices, such as some point-of-sale (POS) terminals, where several meters of cable could separate the terminal from the readout.



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