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Seiko Instruments Electronic Components Datasheet


S-5842A

DUAL TRIP TEMPERATURE SWITCH IC



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S-5842A pdf
S-5842A Series
www.sii-ic.com
© Seiko Instruments Inc., 2008-2015
DUAL TRIP TEMPERATURE SWITCH IC
(THERMOSTAT IC)
Rev.2.3_00
The S-5842A Series is a dual trip temperature switch IC (thermostat IC) which detects two points of temperature.
The S-5842A Series operates at the power supply voltage of 2.5 V and the lower current consumption of 10 μA typ.
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-23-6 and SNT-6A.
Features
Detection temperature:
Accuracy of detection temperature:
Low voltage operation:
Low current consumption:
Selectable output form:
Selectable output type:
Selectable output logic:
Operation temperature range:
Lead-free, Sn 100%, halogen-free*1
Detection temperature = 10°C to +110°C, +1°C step
±2.5°C (Only for either detection temperature)
VDD = 2.5 V min. (Detection temperature = +20°C to +110°C)
VDD = 2.7 V min. (Detection temperature = 0°C to +110°C)
VDD = 2.8 V min. (Detection temperature = 10°C to +110°C)
IDD = 10 μA typ. (Ta = +25°C)
CMOS output, Nch open-drain output
Separate, Integrate
"H", "L"
Ta = 40°C to +125°C
*1. Refer to "Product Name Structure" for details.
Applications
Fan control
Air-conditioning system
Mobile phone
Game console
Various electronics devices
Packages
SOT-23-6
SNT-6A
Seiko Instruments Inc.
1



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S-5842A pdf
DUAL TRIP TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5842A Series
Block Diagrams
1. CMOS output product (Output type: Separate)
VDD
Temperature
sensor
+
Delay circuit
Logic circuit
(selectable)
Rev.2.3_00
DETH
Reference voltage
generation circuit
+
Delay circuit
Logic circuit
(selectable)
DETL
VSS
RTH
Figure 1
RTL
2. Nch open-drain output product (Output type: Separate)
VDD
Temperature
sensor
+
Delay circuit
Logic circuit
(selectable)
DETH
Reference voltage
generation circuit
+
Delay circuit
Logic circuit
(selectable)
VSS
RTH
RTL
Figure 2
DETL
2 Seiko Instruments Inc.



Part Number S-5842A
Description DUAL TRIP TEMPERATURE SWITCH IC
Maker Seiko Instruments - Seiko Instruments
Total Page 30 Pages
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