器件名称:
TC621HEOA
功能描述:
5V, DUAL TRIP POINT TEMPERATURE SENSORS
文件大小:
75.97KB 共6页
简 介:
1 TC620 TC621 5V, DUAL TRIP POINT TEMPERATURE SENSORS FEATURES s s s s User-Programmable Hysteresis and Temperature Set Point Easily Programs with 2 External Resistors Wide Temperature Detection Range ................ – 40°C to +125°C (TC620/621CVx) External Thermistor for Remote Sensing Applications (TC621x) GENERAL DESCRIPTION The TC620 and TC621 are programmable logic output temperature detectors designed for use in thermal management applications. The TC620 features an on-board temperature sensor, while the TC621 connects to an external NTC thermistor for remote sensing applications. Both devices feature dual thermal interrupt outputs (HIGH LIMIT and LOW LIMIT), each of which program with a single external resistor. On the TC620, these outputs are driven active (high) when measured temperature equals the user-programmed limits. The CONTROL (hysteresis) output is driven high when temperature equals the high limit setting, and returns low when temperature falls below the low limit setting. This output can be used to provide simple ON/OFF control to a cooling fan or heater. The TC621 provides the same output functions except that the logical states are inverted. The TC620/621 are usable over a maximum temperature range of – 40°C to +125°C. Ambient Temperature – 40°C to +85°C – 40°C to +85°C 2 3 APPLICATIONS s s s s Power Supply Overtemperature Detection Consumer Equipment Temperature Regulators CPU Thermal Protection ORDERING INFORMATION Part No. TC620x*COA TC620x*CPA T……