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1.2.2. Sequential vs. Simultaneous Power-Down
Some sequencers on the market may simultaneously bring all voltage rails down instead of powering the voltage rails down sequentially.
Take care when selecting a design for controlling the sequence during a fault condition. Non-sequential power-down controllers can violate power-down specifications. External active discharge and trimming RDISCHARGE can alleviate this problem (refer to the "Fault Tolerant Block Diagram").