DESCRIPTION
The LTC®2917-A/LTC2917-B and LTC2918-A/LTC2918-B are low voltage single-supply monitors with selectable thresholds and an adjustable watchdog timer. The parts operate from 1.5V to 5.5V and consume a quiescent current of only 30μA.

FEATURES
■ 9 Selectable Supply Voltages
   12V, 5V, 3.3V, 2.5V, 1.8V
   1.5V, 1.2V, 1V, +ADJ (0.5V)
■ 3 Selectable Tolerances
   –5%, –10%, –15% (LTC2917)
■ Manual Reset Input (LTC2918)
■ 1.5V to 5.5V Supply Operation
■ Adjustable Watchdog Timeout
■ Windowed Watchdog Timeout for Higher Reliability
   Applications (LTC2917-B, LTC2918-B)
■ 6.2V Shunt Regulator for High Voltage Operation
■ Guaranteed Operation to 125°C
■ Guaranteed Threshold Accuracy: ±1.5%
■ Low Quiescent Current: 30μA Typical
■ Power Supply Glitch Immunity
■ Guaranteed RST for VCC ≥ 0.8V
■ 10-Lead MSOP Packages and (3mm × 2mm) DFN
   Packages

APPLICATIONS
■ Handheld Devices
■ Cell Phone Base Stations
■ Automotive Control Systems
■ Network Servers
■ Optical Networking Systems