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S-5841 Dataheets PDF



Part Number S-5841
Manufacturers Seiko Instruments
Logo Seiko Instruments
Description TEMPERATURE SWITCH IC
Datasheet S-5841 DatasheetS-5841 Datasheet (PDF)

S-5841 Series www.sii-ic.com © Seiko Instruments Inc., 2007-2015 TEMPERATURE SWITCH IC (THERMOSTAT IC) Rev.2.2_00 The S-5841 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-5841 Series restores the output voltage when the temperature drops to the level of release temperature. The S-5841 Series operates at the lower power supply voltage of 2.2 V an.

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S-5841 Series www.sii-ic.com © Seiko Instruments Inc., 2007-2015 TEMPERATURE SWITCH IC (THERMOSTAT IC) Rev.2.2_00 The S-5841 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-5841 Series restores the output voltage when the temperature drops to the level of release temperature. The S-5841 Series operates at the lower power supply voltage of 2.2 V and its current consumption is 10 μA typ. due to CMOS configuration. A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit, a comparator and a delay circuit are integrated on one chip, and enclosed into the packages SOT-23-5 and SNT-6A.  Features • Detection temperature: TDET = +40°C to +100°C, +1°C step, detection accuracy: ±2.5°C • Low voltage operation: VDD = 2.2 V min. (Detection temperature = +55°C to +100°C, Ta = −40°C to +100°C) • Low current consumption: IDD = 10 μA typ. (Ta = +25°C) • Hysteresis temperature can be switched in 0°C, 2°C, 4°C and 10°C. • Selectable output logic in active "H" or "L" • Selectable output form in CMOS or Nch open drain • Operation temperature range: Ta = −40°C to +125°C • Lead-free, Sn 100%, halogen-free*1 *1. Refer to " Product Name Structure" for details.  Applications • Fan control • Air conditioning system • Various electronic devices  Packages • SOT-23-5 • SNT-6A Seiko Instruments Inc. 1 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series  Block Diagrams 1. CMOS output product VDD Temperature sensor + − Delay circuit Logic circuit (selectable) Reference voltage generation circuit VSS HYS1 HYS2*1 *1. The HYS2 pin is not equipped for SOT-23-5. Figure 1 2. Nch open drain output product VDD RT Temperature sensor + − Delay circuit Logic circuit (selectable) Reference voltage generation circuit VSS HYS1 HYS2*1 *1. The HYS2 pin is not equipped for SOT-23-5. Figure 2 RT 2 Seiko Instruments Inc. Rev.2.2_00 DET DET Rev.2.2_00 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series  Product Name Structure Users are able to select the option for hysteresis temperature, detection temperature, output form and logic, package for the S-5841 Series. 1. Product name 1. 1 SOT-23-5 S-5841 x xx x - M5T1 x Environmental code U: Lead-free (Sn 100%), halogen-free G: Lead-free (for details, please contact our sales office) Package abbreviation and IC packing specifications*1 M5T1: SOT-23-5, Tape Output form and Output logic*2 A: CMOS output (Active "H") B: CMOS output (Active "L") C: Nch open drain output (Active "H") D: Nch open drain output (Active "L") Detection temperature (TDET)*3 40 to 100 When the detection temperature is +80°C, it is expressed as 80. When the detection temperature is +100°C, it is expressed as A0. Option*4 A: Hysteresis temperature switched in 2°C and 10°C B: Hysteresis temperature switched in 4°C and 10°C Product name *1..


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