ver: 0.3 oct 02, 2008 tel: 886-3-5788833 http://www.gmt.com.tw 1 G707 global mixed-mode technology inc. programmable remote thermal diode temperature switch features 1.0 c typical threshold accuracy 3.0 c (max) threshold accuracy (+60 c to +100 c) temperature threshold set by pin set0, set1 open-drain active low output stage pin-selectable 2 c or 10 c hysteresis sop-8 and msop-8 packages applications p temperature monitoring in high-speed computers temperature control temperature alarms fan control automotive general description the G707 is a fully integrated, programmable remote thermal diode temperature switch with a threshold set by pin-strapping set0 and set1. the remote diode is a diode-connected transistor typically low-cost, ea sily mounted 2n3904 npn type, 2n3906 pnp type tran- sistor or cpu/gpu build-in thermal diode. it requires only let pin set0 and set1 tie to gnd, vcc or float- ing to set the temperature threshold within a 60 c to +124 c temperature range. the G707 provides an open-drain, active low output. this switch operates with a +3.0v to +5.5v single supply while providing a temperature threshold accuracy of 1.0 c (typ) or 3.0 c (max, +60 c to +100 c). hysteresis is pin se- lectable to 2 c or 10 c. ordering information order number marking temp. range package (pb free) G707p11u G707 -40 c~+125 c sop-8 G707p81u G707 -40 c~+125 c msop-8 note: p1 : sop-8 p8 : msop-8 1: bonding code u : tape & reel pin configuration typical appli cation circuit therm dxn 8 6 5 1 2 3 4 vcc dxp set1 set0 gnd sop-8/msop-8 G707 7 hyst 0.1 f 3v to 5.5v vcc dxp dxn set0 set1 hyst 10k w system shutdown gnd 2200pf 2n3904 therm therm dxn 8 6 5 1 2 3 4 vcc dxp set1 set0 gnd sop-8/msop-8 G707 7 hyst 0.1 f 3v to 5.5v vcc dxp dxn set0 set1 hyst 10k w system shutdown gnd 2200pf 2n3904 therm
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