App note: Self-starting can be hard to do – Understanding power-on-reset requirements in regulators and bandgaps

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Things should be set-up properly before putting all load back again. Here’s a tip(PDF) from MAXIM on self-powering/recovering from power loss.

Self-starting is a necessary but sometimes difficult task, whether it is motivating humans, starting cold automobiles, or providing power-on-reset (POR) for ICs. PORs ensure systems start in known and safe states. This app note will discuss several misapplications of this technology and how designers can avoid startup problems.

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