ADM1185
ADM1185 is Quad Voltage Monitor and Sequencer manufactured by Analog Devices.
Quad Voltage Monitor and Sequencer ADM1185
Features
Powered from 2.7 V to 5.5 V on the VCC pin Monitors 4 supplies via 0.8% accurate parators 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 3 open-drain enable outputs Open-drain power-good output (PWRGD) 10-lead MSOP
APPLICATIONS
Monitor and alarm functions Power supply sequencing Telemunication and data munication equipment PCs/servers
FUNCTIONAL BLOCK DIAGRAM
VIN1 VIN2 VIN3 VIN4
REF = 0.6V REF = 0.6V REF = 0.6V REF = 0.6V
POWER AND REFERENCE
REF = 0.6V
GENERATOR
STATE MACHINE
CORE
OUT1 OUT2 OUT3 PWRGD
06196-001
GENERAL DESCRIPTION
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 parators monitor four voltage rails. All parators have a 0.6...