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CO161A
TC07 3V Logic Output Temperature Sensor with Programmable Hysteresis FEATURES GENERAL DESCRIPTION s The TC07 is a programmable, logic output temperature detector that operates from power supply levels as low as 2.7V. Programming is accomplished with external resistors connected from the temperature setpoint input (TSET) and the hysteresis control input (HSET) to VDD. Complementary outputs (OUT and OUT) are driven active when temperature exceeds the temperature threshold programmed by the resistor on TSET. The states of these outputs are maintained (latched) until temperature falls below threshold programmed by the resistor on HSET. The TC07 is useful over a maximum temperature range of – 40°C to +125°C (TC07VxA). It features low (< 130µA) supply current and small physical size 8-pin MSOP and 8-pin SOIC packages, making it suitable for a wide variety of applications. s s s s User Programmable Hysteresis and Temperature Set Point Easily Programs with Two External Resistors Wide Temperature Detection Range TC07CxA ....................................... 0°C to +70°C TC07ExA ................................ – 40°C to +85°C TC07VxA ............................... – 40°C to +125°C Small 8-Pin MSOP and 8-Pin SOIC Packages Cost Effective APPLICATIONS s s s s Power Supply Over-Temperature Detection Consumer Equipment Temperature Regulators Computer Equipment PIN CONFIGURATION ORDERING INFORMATION Part No. Package TC07COA TC07CUA TC07EOA TC07EUA TC07VOA TC07VUA 8-Pin SOIC 8-Pin MSOP 8-Pin SOIC 8-Pin MSOP 8-Pin SOIC 8-Pin MSOP 8-Pin SOIC Temp. Range 0°C to +70°C 0°C to +70°C – 40°C to +85°C – 40°C to +85°C – 40°C to +125°C – 40°C to +125°C NC 1 HSET 2 TSET 3 GND 8 7 4 NC 6 OUT 5 TC07COA TC07EOA TC07VOA VDD OUT 8-Pin MSOP FUNCTIONAL BLOCK DIAGRAM + S 3 GND Q 2 TSET TEMP SENSOR 8 1 NC HSET 4 TC07CUA TC07EUA TC07VUA VDD 7 NC 6 OUT 5 OUT OUT TEMPERATURE TO VOLTAGE CONVERTER – – OUT + R Q VOLTAGE REFERENCE GENERATOR TSET 2001 Microchip Technology Inc. DS21334A HSET VDD GND TC07-1 01/03/01
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