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PDF S-5841 Data sheet ( Hoja de datos )
| Número de pieza | S-5841 | |
| Descripción | TEMPERATURE SWITCH IC | |
| Fabricantes | Seiko Instruments | |
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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
1 page  
Rev.2.2_00
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5841 Series
3. Product name list
3. 1 SOT-23-5
Table 2
Product Name
Detection
Temperature (TDET)
DET Pin Output Form
DET Pin Output Logic
Hysteresis
Temperature (THYS)
S-5841A55D-M5T1x
+55°C
Nch open drain
Active "L"
2°C, 10°C
S-5841A65D-M5T1x
+65°C
Nch open drain
Active "L"
2°C, 10°C
S-5841A75D-M5T1x
+75°C
Nch open drain
Active "L"
2°C, 10°C
S-5841A85D-M5T1x
+85°C
Nch open drain
Active "L"
2°C, 10°C
S-5841A95D-M5T1x
+95°C
Nch open drain
Active "L"
2°C, 10°C
Remark1. Please contact our sales office for products other than those specified above.
2. x: G or U
3. Please select products of environmental code = U for Sn 100%, halogen-free products.
3. 2 SNT-6A
Table 3
Product Name
Detection
Temperature (TDET)
DET Pin Output Form
DET Pin Output Logic
S-5841A70A-I6T1U
+70°C
CMOS
Active "H"
S-5841A80A-I6T1U
+80°C
CMOS
Active "H"
S-5841A90A-I6T1U
+90°C
CMOS
Active "H"
S-5841A50D-I6T1U
+50°C
Nch open drain
Active "L"
Remark Please contact our sales office for products other than those specified above.
Hysteresis
Temperature (THYS)
0°C, 2°C, 4°C, 10°C
0°C, 2°C, 4°C, 10°C
0°C, 2°C, 4°C, 10°C
0°C, 2°C, 4°C, 10°C
Seiko Instruments Inc.
5
5 Page 
Rev.2.2_00
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5841 Series
2. 2 SNT-6A
Table 10
(Ta = +25°C, unless otherwise specified)
Item Symbol Condition
Min.
Typ.
Max.
Unit
Test
circuit
Power supply voltage*1
Detection temperature
VDD
TDET = +55°C to +100°C
TDET = +40°C to +54°C
+TD −
HYS1
HYS2
2.2
2.6
TDET − 2.5
−
−
−
TDET
−
10.0
10.0
TDET + 2.5
−
V
V
°C
−
1
1
1
−
Hysteresis of detection
temperature*2
THYS
"H"
"H"
"L"
"H" − 2 − °C 1
"L" − 4 − °C 1
"H" − 10 − °C 1
"L" "L" − 0 − °C 1
Output current
Leakage current
Current consumption
during operation
IDETL
ILEAK
IDD
VDET = 0.4 V, VDD = 3.0 V
VDET = 10.0 V, VDD = 3.0 V
VDD = 3.0 V
0.5 2.3 − mA 2
− − 100 nA 2
− 10 20 μA 1
HYS1 pin input voltage "H"
HYS1 pin input voltage "L"
HYS1 pin input current "H"
HYS1 pin input current "L"
HYS2 pin input voltage "H"
HYS2 pin input voltage "L"
HYS2 pin input current "H"
HYS2 pin input current "L"
VIH1
VIL1
IIH1
IIL1
VIH2
VIL2
IIH2
IIL2
−
−
VDD = 3.0 V, VHYS1 = 3.0 V
VDD = 3.0 V, VHYS1 = 0 V
−
−
VDD = 3.0 V, VHYS2 = 3.0 V
VDD = 3.0 V, VHYS2 = 0 V
0.8 × VDD − − V
− − 0.2 × VDD V
−0.1 −
0.1 μA
−0.1 −
0.1 μA
0.8 × VDD − − V
− − 0.2 × VDD V
−0.1 −
0.1 μA
−0.1 −
0.1 μA
3
3
3
3
3
3
3
3
*1. The minimum operation voltages are as follows under the operation ambient temperature over +100°C.
VDD = 2.3 V min. (Detection temperature = +55°C to +100°C)
VDD = 2.7 V min. (Detection temperature = +40°C to +54°C)
*2. The hysteresis temperature can be switched in 0°C, 2°C, 4°C, 10°C, and is set by the HYS1 pin and HYS2 pin.
[Fahrenheit ⇔ Celsius Conversion equation]
°C = (°F − 32) × 5 / 9
°F = 32 + °C × 9 / 5
AC Electrical Characteristics
Table 11
Item
Noise suppression time
Symbol
Condition
tdelay
VDD = 3.0 V,
Ta = detection temperature
Min.
Typ.
Max.
Unit
Test
circuit
− 380 −
μs −
Seiko Instruments Inc.
11
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| PDF Descargar | [ Datasheet S-5841.PDF ] | |
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