Radiation Hardened Quad Power Supply Sequencer

The ISL70321SEH and ISL73321SEH are radiation hardened and SEE mitigated power supply sequencers designed to drive Point-of-Load (POL) regulators with enable pins. Up to four power supplies can be fully sequenced by a single device or multiple devices can be easily cascaded to sequence an unlimited •\n• Wide operating voltage range, 3V to 13.2V \n• Single resistor sets the rising and falling delay \n• Power-off POLs in reverse order or simultaneously \n• Precision voltage monitoring \n• 600mV ±1.5% threshold voltage over temperature and radiation \n• Full military temperature range operati;

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