TPS3617 Datasheet (Texas Instruments) - Battery-Backup Supervisor

TPS3617, Battery-Backup Supervisor

The TPS3617 and TPS3618 are battery-backup supervisors that monitor 5 V supplies.

They provide a battery-backup function ideal for applications that require data retention of CMOS RAM during fault conditions.

When the voltage at VDD drops below a preset threshold (VIT), the active low push-pull RESE

TPS3617 Features

* Supply Current of 40 µA (Max)

* Battery Supply Current of 100 nA (Max)

* Precision 5-V Supply Voltage Monitor, Other Voltage Options on Request

* Backup-Battery Voltage Can Exceed VDD

* Watchdog Timer With 800-ms Time-Out

* Power-On Reset Generator W