The NCT203 is a digital thermometer and undertemperature/ overtemperature alarm, intended for use in thermal management systems requiring low power and size. The NCT203 operates over a supply range of 1.4 V to 2.75 V making it possible to use it in a wide range of applications including low power devices.

• ON-Chip Temperature Sensor
• Low Voltage Operation (1.4V to 2.75V)
• Low Quiescent Current: (44uA max normal mode, 20uA max shutdown)
• Power Saving Shutdown Mode
• Operating Temperature Range of -40C to 125C
• 2 Wire I2C Serial Interface
• Programmable Over/Undertemperature Limits