IMP690A , 692A , 802L/M, 805L
POWER MANAGEMENT
µP Power Supply Supervisor with Battery Backup Switch
The IMP690A/IMP692A/IMP802L/IMP802M/IMP805L simplify power supply monitoring and control in microprocessor systems.
Each circuit implements four functions: Reset control, watchdog monitoring, batterybackup switching and power-failure monitoring.
In addition to microprocessor reset under powerup and power-down conditions, these devices provide battery-backup switching to maintain control in powerloss and brown-out situations.
Additional monitoring capabilities can provide an early warning of unregulated power-supply loss before the voltage
regulator drops out.
The important features of these ...