LM66 Datasheet - National Semiconductor

LM66 Dual Output Internally Preset Thermostat

The LM66 is a precision low power thermostat. Two stable temperature trip points (VT1 and VT2) are generated by dividing down the LM66 1.250V bandgap voltage reference using a resistors divider network. The LM66 has two digital outputs. OUT1 goes LOW when the temperature exceeds T1 and goes HIGH whe.

LM66 Features

* n n n n n Digital outputs support TTL logic levels Internal temperature sensor 2 internal comparators with hysteresis Internal voltage reference Currently available in 8-pin SO plastic package Key Specifications n Power Supply Voltage n Power Supply Current n VREF n Hysteresis Temperature n Interna

LM66_NationalSemiconductor.pdf