The ADM1186-1 and ADM1186-2 are integrated, four-channelvoltage monitoring and sequencing devices. A 2.7 V to 5.5 Vpower supply is required on the VCC pin for power. Four precision comparators, VIN1 to VIN4, monitor fourvoltage rails. All four comparators share a 0.6 V reference and have a worst-case accuracy of 0.8%. Resistor networks that are external to the VIN1, VIN2, VIN3, and VIN4 pins set theundervoltage (UV) trip points for the monitored supply rails.The ADM1186-1 and ADM1186-2 have four open-drain enable outputs, OUT1 to OUT4, that are used to enable power supplies. An open-drain power-good output, PWRGD, indicates whether the four VINx inputs are above their UV thresholds.
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