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G708 Scheda tecnica(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G708 Scheda tecnica(HTML) 1 Page - Global Mixed-mode Technology Inc |
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1 / 1 page  Ver: 1.6 Aug 30, 2010 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G708 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 33µA Supply Current Open-Drain Active Low Output Stage Guaranteed Reset Valid to VCC = 0.8V Pin-Selectable 10°C or 30°C Hysteresis SOT-23-5 and TDFN2X2-8 Packages Applications µP Temperature Monitoring in High-Speed Computers Temperature Control Temperature Alarms Fan Control Automotive General Description The G708 are fully integrated, resistor programmable temperature switches with thresholds set by an exter- nal resistor. They require only one external resistor to set the temperature threshold within a wide 0°C to +125°C temperature range. The G708 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) or ±3°C (60°C to +100°C). They typi- cally consume 33µA supply current. Hysteresis is pin selectable to 10°C or 30°C. The G708 are available in 5-pin SOT-23 and TDFN2X2-8 packages. Ordering Information ORDER NUMBER MARKING TEMP. RANGE PACKAGE (Green) G708T1U 708xx -40°C~+125°C SOT-23-5 G708RCU 708 -40°C~+125°C TDFN2X2-8 Note:T1 : SOT-23-5 RC: TDFN2X2-8 U : Tape & Reel is 2.63V Pin Configuration Typical Application Circuit GND µP VCC GND VCC SET OT 470k Ω 0.1µF R SET HYST 150 Ω 2.7V to 5.5V G708 SOT-23-5 5 1 2 HYST 4 3 OT SET VCC GND G708 TDFN2X2-8 1 2 3 4 8 7 6 5 GND Thermal Pad VCC OT NC HYST G708 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. GND µP VCC GND VCC SET OT 470k Ω 0.1µF R SET HYST 150 Ω 2.7V to 5.5V G708 SOT-23-5 5 1 2 HYST 4 3 OT SET VCC GND G708 TDFN2X2-8 1 2 3 4 8 7 6 5 GND Thermal Pad VCC OT NC HYST G708 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. |
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