TK11052

TK11052 THERMOSTAT IC FEATURES s Internal Temperature Sensor, Voltage Reference and Two Comparators with s Temperature Threshold and Hysteresis Set by Only Two External Resistors s Output Logic: Low to High with Increasing Temp. by OUTPUT1 High to Low with Increasing Temp. by OUTPUT2 s Very Wide Operating Supply Range (VCC = 2.7 to 6.0 V) s Miniature Package (SOT23L-8) s Minimum External Parts Count s Low Power Consumption s Very Wide Temperature Range APPLICATIONS s s s s s s s Home and Industrial Thermostats Home Appliance Temperature Control Notebook Computer Temperature Monitor Pentium Processor Temperature Monitor Power Supply Overtemperature Protection Copy Machine Overtemperature Protection System Overtemperature Protection DESCRIPTION The TK11052 is an accurate temperature controller IC for use over the -30 to +105 °C temperature range. The TK11052 monolithic bipolar integrated circuit contains a temperature sensor, stable voltage reference and two comparators, making the device very useful as an on/off thermostat. Two external resistors easily set the sensing temperature threshold and hysteresis of each thermostat. Its wide operating voltage range of 2.7 to 6.0 V makes this IC suitable for a number of applications requiring an accurate thermostat. The TK11052 is available in a miniature SOT23L-8 surface mount package. TK11052 INPUT1 INPUT2 01S OUTPUT1 OUTPUT2 GND VCC VREF NC BLOCK DIAGRAM I IB1 ISINK1 COMP1 ORDERING INFORMATION I SH1 I IB2 + ISINK2 + CO...