ver: 2.1 sep 02, 2011 tel: 886-3-5788833 http://www.gmt.com.tw 1 G709/g710 global mixed-mode technology resistor-programmable sot temperature switches features 0.5 c typical threshold accuracy 3.5 c (max) threshold accuracy (0 c to +125 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 2 c or 10 c hysteresis sot-23-5, sot-23-6, tdfn2x2-8 and adfn1.5x1.5-6 packages applications p temperature monitoring in high-speed computers temperature control temperature alarms fan control automotive general description the G709/g710 are fully integrated, resistor pro- grammable temperature switches with thresholds set by an external resistor. they require only one exte rnal resistor to set the temperature threshold within a wi de 0 c to +125 c temperature range. the G709/g710 provides an open-drain, active low output. these switches operate with a +2.7v to +5.5v single supply while providing a temperature threshold accuracy of 0.5 c (typ) or 3.5 c (max). they typically consume 33 a supply current. hysteresis is pin selectable to 2 c or 10 c. ordering information order number (pb free/green) marking temp. range package G709t1uf 709xx -40 c~+125 c sot-23-5 G709rcuf 709 -40 c~+125 c tdfn2x2-8 G709a3u 79 xx -40 c~+125 c adfn1.5x1.5-6 g710tbuf 710xx -40 c~+125 c sot-23-6 note:t1 : sot-23-5 tb : sot-23-6 a3:adfn1.5x1.5 -6 rc:tdfn2x2-8 u : tape & reel pin configuration typical appli cation circuit gnd p vcc gnd G709/g710 vcc set ot 470k w 0.1 f r set hyst 150 w 2.7v to 5.5v sot-23-5 5 1 2 hyst 4 3 ot set vcc gnd sot-23-6 6 1 2 hyst 4 3 ot set vcc gnd 5 n.c. G709 g710 tdfn2x2-8 12 3 4 8 76 5 gnd thermal pad vcc ot nc G709 nc nc set note 1:thermal pad is nc note 2:connect thermal pad and pin 6,7,8 to heat source by pcb copper for good heat conduction. adfn1.5x1.5-6 1 2 3 6 5 4 G709 hyst ot gnd set nc vcc hyst gnd p vcc gnd G709/g710 vcc set ot 470k w 0.1 f r set hyst 150 w 2.7v to 5.5v sot-23-5 5 1 2 hyst 4 3 ot set vcc gnd sot-23-6 6 1 2 hyst 4 3 ot set vcc gnd 5 n.c. G709 g710 tdfn2x2-8 12 3 4 8 76 5 gnd thermal pad vcc ot nc G709 nc nc set note 1:thermal pad is nc note 2:connect thermal pad and pin 6,7,8 to heat source by pcb copper for good heat conduction. adfn1.5x1.5-6 1 2 3 6 5 4 G709 hyst ot gnd set nc vcc hyst
|
