TMP300

BurrĆBrown Products from Texas Instruments TMP300 SBOS335A – JUNE 2005 – REVISED SEPTEMBER 2007 1.8V, Resistor-Programmable TEMPERATURE SWITCH and ANALOG OUT TEMPERATURE SENSOR in SC70 1 FEATURES ACCURACY: ±1°C (typical at +25°C) PROGRAMMABLE TRIP POINT PROGRAMMABLE HYSTERESIS: 5°C/10°C OPEN-DRAIN OUTPUTS LOW-POWER: 110μA (max) WIDE VOLTAGE RANGE: +1.8V to +18V OPERATION: –40°C to +150°C ANALOG OUT: 10mV/°C SC70-6 AND SOT23-6 PACKAGES 2 DESCRIPTION The TMP300 is a low-power, resistor-programmable, digital output temperature switch. It allows a threshold point to be set by adding an external resistor. Two levels of hysteresis are available. The TMP300 has a VTEMP analog output that can be used as a testing point or in temperature-compensation loops. The TMP300 detects temperature with ±4°C accuracy (max) over –40°C to +125°C. With a supply voltage as low as 1.8V and low current consumption, the TMP300 is ideal for power-sensitive systems. Available in two micropackages that have proven thermal characteristics, this part gives a complete and simple solution for users who need simple and reliable thermal management. V+ APPLICATIONS POWER-SUPPLY SYSTEMS DC-DC MODULES THERMAL MONITORING ELECTRONIC PROTECTION SYSTEMS 3mA TMP300 V+ VTEMP HYSTSET RSET VTEMP TSET Proportional to TA RPULL-UP TSET GND OUT 1 2 3 SC70-6, SOT23-6 6 5 4 OUT 210kW (1) TMP300 HYSTSET NOTE: (1) Thinfilm resistor with approximately 10% accuracy; however, this accuracy ...