ver:1.9 may 17, 2012 tel: 886-3-5788833 http://www.gmt.com.tw 1 G718 global mixed-mode technology dual remote resistor-programmable temperature switches features ? duel remote temperature switches set by thermistor and external resistors ? open-drain active low output stage ? guaranteed output signal valid to v cc = 0.8v ? sot-23-8 and aqfn1.5x1.5-8 packages applications ? p temperature monitoring in high-speed computers ? temperature control ? temperature alarms ? fan control ? automotive general description the G718 are fully integrated, resistor programmable dual remote temperature switches. the thresholds are set by external resistors and negative temperature coefficient thermistors. the G718 provides open-drain, active low over-temperature outputs for both sensors. these switches operate with a +2.7v to +5.5v single supply. the G718 are available in 8-pin sot-23 and aqfn1.5x1.5 packages. ordering information order number marking temp. range package (green) G718tm1u 718xx -40 c to 125 c sot-23-8 G718a71u 78 xx -40 c to 125 c aqfn1.5x1.5-8 note: tm: sot-23-8 a7: aqfn1.5x1.5-8 1: bonding code u: tape & reel pin configuration typical application circuit vcc sot-23-8 1 2 3 4 5 6 7 8 G718 tmsns1 rhyst1 tmsns2 rhyst2 gnd ot1 ot2 100k 2.7v to 5.5v p vcc gnd tmsns1 tmsns2 rhyst1 rhyst2 ot1 vcc r hyst1 r hyst2 r set1 thermistor (negative temperature coefficient) r set2 gnd G718 0.1 f 100k ot2 4 8 3 2 1 5 6 7 aqfn1.5x1.5-8 vcc ot2 ot1 gnd rhyst2 tmsns2 rhyst1 tmsns1 G718 vcc sot-23-8 1 2 3 4 5 6 7 8 G718 tmsns1 rhyst1 tmsns2 rhyst2 gnd ot1 ot2 100k 2.7v to 5.5v p vcc gnd tmsns1 tmsns2 rhyst1 rhyst2 ot1 vcc r hyst1 r hyst2 r set1 thermistor (negative temperature coefficient) r set2 gnd G718 0.1 f 100k ot2 4 8 3 2 1 5 6 7 aqfn1.5x1.5-8 vcc ot2 ot1 gnd rhyst2 tmsns2 rhyst1 tmsns1 G718
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