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S-5840B - TEMPERATURE SWITCH IC

General Description

4 Seiko Instruments Inc.

Absolute Maximum Ratings Table 4 Item Power supply voltage (VSS = 0 V) Pi

Key Features

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  • Detection temperature: TDET = +55 to +95°C, +1°C step, detection accuracy: ±2.5°C.
  • Wide voltage operation: VDD = 1.0 V to 10.0 V.
  • Release voltage: VRET = 2.2 V to 3.4 V, 0.1 V step.
  • Low current consumption: IDD = 12 μA typ. (Ta = +25°C).
  • Built-in noise suppression circuit for preventing temperature detection malfunction.
  • Output logic level is fixed by the latch after temperature detection.
  • Selectable output logic in activ.

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S-5840B Series www.sii-ic.com TEMPERATURE SWITCH IC (THERMOSTAT IC) WITH LATCH © Seiko Instruments Inc., 2007-2012 Rev.2.1_00 The S-5840B Series is a temperature switch IC (thermostat IC) with a latch function which detects the temperature with a temperature accuracy of ±2.5°C. When the temperature reaches the detection temperature, the output signal is inverted and being latched until the S-5840B Series detects decrease in a power supply voltage. The S-5840B Series operates at the lower power supply voltage of 1.0 V and its current consumption is 12 μA typ. due to CMOS configuration.