ver: 0.1 nov 08, 2010 tel: 886-3-5788833 http://www.gmt.com.tw 1 G705 global mixed-mode technology inc. resistor-programmable sot temperature switches features ? 0.5 c typical threshold accuracy ? 3.5 c (max) threshold accuracy (0 c to +125 c) ? 3 c threshold accuracy (60 c to +100 c) ? temperature threshold set by a 1% external resistor ? low 33 a supply current ? open-drain active low output stage ? guaranteed reset valid to v cc = 0.8v ? pin-selectable 10 c or 30 c hysteresis ? sot-23-5 packages applications ? p temperature monitoring in high-speed ? computers ? temperature control ? temperature alarms ? fan control ? automotive general description the G705 are fully integrated, resistor programmable temperature switches with thresholds set by an ex- ternal resistor. they require only one external resis- tor to set the temperature threshold within a wide 0 c to +125 c temperature range. the G705 pro- vides an open-drain, active low output. these switches operate with a +4v to +5.5v single supply while providing a temperature threshold accuracy of 0.5 c (typ) or 3.5 c (max) or 3 c (60 c to +100 c). they typically consume 33 a supply cur- rent. hysteresis is pin selectable to 10 c or 30 c. the G705 are available in 5-pin sot-23 packages. ordering information order number marking temp. range package (green) G705t11u 705xx -40 c~+125 c sot-23-5 note: t1 : sot-23-5 1: bonding code u : tape & reel pin configuration typical application circuit gnd p vcc gnd vcc set ot 470k 0.1 f r set hyst 150 4v to 5.5v G705 sot-23-5 5 1 2 hyst 4 3 ot set vcc gnd G705 1 24 3 5 gnd p vcc gnd vcc set ot 470k 0.1 f r set hyst 150 4v to 5.5v G705 sot-23-5 5 1 2 hyst 4 3 ot set vcc gnd G705 1 24 3 5
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