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S-5843A Datasheet Temperature Switch Ic

Manufacturer: Seiko Instruments

Overview: S-5843A Series .sii-ic. © Seiko Instruments Inc., 2009-2015 TEMPERATURE SWITCH IC (THERMOSTAT IC) Rev.2.2_00 The S-5843A Series is a temperature switch IC (thermostat IC) which detects the temperature with a temperature accuracy of ±2.5°C. The output inverts when temperature reaches the detection temperature. The S-5843A Series restores the output voltage when the temperature drops to the level of release temperature. The S-5843A Series operates at the lower power supply voltage of 1.65 V and its current consumption is 4.5 μA typ. due to CMOS configuration. A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit, a parator and a delay circuit are integrated on one chip, and enclosed into the packages SOT-23-5 and SNT-6A.

Key Features

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  • Detection temperature: TDET = +40°C to +120°C, +1°C step, detection accuracy: ±2.5°C.
  • Low voltage operation: VDD = 1.65 V min.
  • Low current consumption: IDD = 4.5 μA typ. (Ta = +25°C).
  • Hysteresis temperature: selectable in 2°C, 4°C, 10°C or 20°C.
  • Selectable output logic in active "H" or "L".
  • Selectable output form in CMOS or Nch open drain.
  • Prevent functions for false detection operation and false release operation.

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S-5843A Distributor