LM66 Datasheet | National Semiconductor

LM66 Dual Output Internally Preset Thermostat April 2000 LM66 Dual Output Internally Preset Thermostat General Description 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 when the the temperature goes below (T1- THYST). Similarly, OUT2 goes LOW when the temperature exceeds T2 and goes HIGH when the temperature goes below (T2- THYST). THYST is an internally set 5˚C typical hysteresis. The LM66 is currently available in an 8-lead small outline...