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Temperature switch with latch
14 August 2002, Power Electronics / Power Management
The S-8130AC is a CMOS temperature switch with a latch function that has a built-in semiconductor temperature sensor. The output signal is inverted when the temperature is detected, and latched until a reset signal input or the power voltage is lowered.
Low voltage operation down to 2,2 V is possible and the current consumption is a low 15 µA. The S-8130AC comprises a temperature sensor with temperature coefficient of -13 mV/°C, a reference voltage source, a comparator, voltage detection circuit, and noise suppression circuit - all enclosed in a small 8 pin MSOP package.
Temperature range is between -40 to +100°C and wide application in temperature control can be achieved since output linearity is superior compared to other types of sensors, including thermistors. |
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