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Technical content
Features
/square6 ±± ±±0.5 °C Typical Threshold Accuracy /square6 ±± ±±3.5 °C (max) Threshold Accuracy (0 °C to +125 °C) /square6 Temperature Threshold Set by a 1% External Resistor /square6 Low 33 µA Supply Current /square6 Open-Drain Active Low Output Stage /square6 Guaranteed Reset Valid to V CC = 0.8V /square6 Pin-Selectable 2 °C or 10 °C Hysteresis /square6 SOT-23-5, SOT-23-6, TDFN2X2-8 and ADFN1.5X1.5-6 Packages
Applications
/square6 µP Temperature Monitoring in High-Speed /square6 Computers /square6 Temperature Control /square6 Temperature Alarms /square6 Fan Control /square6 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 external resistor to set the temperature threshold within a wide 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 µA supply current. Hysteresis is pin selectable to 2°C or 10 °C.
Ordering Information
(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 Application Circuit GND µP VCC GND G709/G710 VCC SET OT 470k Ω 0.1 µF R SET HYST 150 Ω 2.7V to 5.5V SOT-23-5 HYST 43OT SET VCC GND SOT-23-6 HYST 43OT SET VCC GND 5 N.C. G709 G710 TDFN2X2-8 5GND 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 G709 HYST OT GND SET NC VCC HYST GND µP VCC GND G709/G710 VCC SET OT 470k Ω 0.1 µF R SET HYST 150 Ω 2.7V to 5.5V SOT-23-5 HYST 43OT SET VCC GND SOT-23-6 HYST 43OT SET VCC GND 5 N.C. G709 G710 TDFN2X2-8 5GND 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 G709 HYST OT GND SET NC VCC HYST