S-5843A Datasheet (Seiko Instruments)

S-5843A, TEMPERATURE SWITCH IC

No connection 2 VSS 3 RT *2 GND pin Test pin 4 VDD Power supply pin 5 DET Output pin *1.

The NC pin is electrically open.

The NC pin can be connected to VDD pin or VSS pin.

*2.

Set the RT pin open in use.

Table 5 Pin No.

1 Symbol RT *1 Test pin Description 2 VSS 3 NC

S-5843A Series www.sii-ic.com © 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

S-5843A Features

* 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