Description
The LTC®690 family, LTC690/LTC691/LTC694/LTC695, provides complete power supply monitoring and battery control functions for microprocessor reset, battery backup, CMOS RAM write protection, power failure warning and watchdog timing.
Features
- n Guaranteed Reset Assertion at VCC = 1V n 1.5mA Maximum Supply Current n Fast (35ns Max) Onboard Gating of RAM Chip Enable Signals n SO-8 and S16 Packaging n 4.65V Precision Voltage Monitor n Power OK/Reset Time Delay: 50ms, 200ms or Adjustable n Minimum External Component Count n 1µA Maximum Standby Current n Voltage Monitor for Power-Fail or Low Battery Warning n Thermal Limiting n Performance Specified Over Temperature n Superior Upgrade for MAX690 Family.
LTC690_LinearTechnology.pdf
