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PDF S-5842A Data sheet ( Hoja de datos )
| Número de pieza | S-5842A | |
| Descripción | DUAL TRIP TEMPERATURE SWITCH IC | |
| Fabricantes | Seiko Instruments | |
| Logotipo |  |
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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
1 page  
Rev.2.3_00
DUAL TRIP TEMPERATURE SWITCH IC IC (THERMOSTAT IC)
S-5842A Series
3. Product name list
3. 1 SOT-23-6
Table 2
Option for Detection Temperature’s Spec
Product Name
Output Form
and Type
DETH Pin (for Higher Temperature)
Detection Accuracy of
Temperature Detection
(TDH) Temperature*1
Hysteresis
Temperature
(THYSH)
Output
Logic
DETL Pin (for Lower Temperature)
Detection
Temperature
(TDL)
Accuracy of
Detection
Temperature*1
Hysteresis
Temperature
(THYSL)
Output
Logic
S-5842AAAAF-M6T1y
S-5842AAAAG-M6T1y
S-5842AAAAL-M6T1U
S-5842AAAAN-M6T1y
S-5842ACAAM-M6T1y
CMOS,
Separate
CMOS,
Separate
CMOS,
Separate
CMOS,
Separate
CMOS,
Integrate
+95°C
−
+60°C
−
+45°C ±2.5°C
+50°C
−
+45°C
−
−5°C
−5°C
−2°C
−5°C
−2°C
"L" +55°C ±2.5°C
"H" 0°C ±2.5°C
"H" 0°C
−
"L" +40°C ±2.5°C
"L" 0°C ±2.5°C
−5°C
+5°C
+2°C
−5°C
−2°C
"L"
"L"
"H"
"L"
"L"
*1 Either of two detection temperatures (TDH, TDL), an accuracy of ±2.5°C is set only for the one that user specifies a higher
accuracy than the other (TDH, TDL).
Remark 1.
2.
3.
Please contact our sales office for products other than those specified above. Refer to " Selection of Product
Option" for details.
y: S or U
Please select products of environmental code = U for Sn 100%, halogen-free products.
Seiko Instruments Inc.
5
5 Page 
Rev.2.3_00
Test Circuits
DUAL TRIP TEMPERATURE SWITCH IC IC (THERMOSTAT IC)
S-5842A Series
V
CIN
A
Open
Open
RTH
RTL
VDD
DETH
S-5842A Series
VSS
DETL
R*1
100 kΩ
CL V
R*1
100 kΩ
V
CL
*1. Resistor (R) is unnecessary for the CMOS output product.
Figure 7 Test Circuit 1
V
CIN
A
Open
Open
RTH
RTL
VDD
S-5842A Series
DETH
VSS
DETL
CL V A
V
CL
A
Figure 8 Test Circuit 2
Seiko Instruments Inc.
11
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