ADM1185ARMZ-1 Datasheet PDF - ADI

●Product Details

●The ADM1185 is an integrated, 4-channel, voltage monitoring and sequencing device. A 2.7 V to 5.5 V power supply is required on the VCC pin to power the device.

●Four precision comparators monitor four voltage rails. All comparators have a 0.6 V reference with a worst-case accuracy of 0.8%. Resistor networks that are external to the VIN1, VIN2, VIN3, and VIN4 pins set the trip points for the monitored supply rails.

●A digital core interprets the status of the comparator outputs.

●Internal time delays can be used for sequencing the startup of subsequent power supplies enabled by the outputs. Supplies falling out of range are also detected and, as a result, appropriate outputs are disabled.

●The ADM1185 has four open-drain outputs. In a typical configuration, OUT1 to OUT3 are used to enable power supplies, while PWRGD is a common power-good output, indicating the status of all monitored supplies.

●The ADM1185 is available in a 10-lead mini small outline package (MSOP).

●Applications

● Monitor and alarm functions

● Power supply sequencing

● Telecommunication and data communication equipment

● PCs/servers

●### Features and Benefits

● Powered from 2.7 V to 5.5 V on the VCC pin

● Logical core with internal timeouts provides power supply sequencing and fault protection

● 4 inputs can be programmed to monitor different voltage levels with resistor dividers

● Monitors 4 supplies via 0.8% accurate comparators

● 3 open-drain enable outputs

● Open-drain power-good output (PWRGD)

● 10-lead MSOP