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Design Tips

Current
Simple Power Backup Supply for a 3.3 V Rail

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Figure 1(a) and (b). Location of the blocking diode in the backup system schematic.

Data loss is a concern in telecom, industrial, and automotive applications where embedded systems require a dependable supply of power. Sudden power interruptions can corrupt data during read and write operations performed by hard drives and flash memory. Designers often use batteries, capacitors, and supercapacitors to
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Date:
12/02/2020