S-5843AC0DC-M5T1Y Datasheet, PDF (7/21 Pages) Seiko Instruments Inc – TEMPERATURE SWITCH IC

Rev.2.2_01
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5843A Series
 DC Electrical Characteristics
1. CMOS output product
Table 7
(Ta = +25°C, unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
circuit
Power supply voltage
Detection temperature^*1
Hysteresis temperature^*2
Output current
Current consumption
during operation
VDD
+TD
THYS
IDETH
IDETL
IDD
−
1.65
−
5.5
V
1
−
TDET − 2.5
TDET
TDET + 2.5 °C
1
−
−
2, 4, 10, 20
−
°C
1
Output transistor Pch
VDET = 2.2 V, VDD = 3.0 V
2
9.4
−
mA
2
Output transistor Nch
VDET = 0.4 V, VDD = 3.0 V
0.5
2.3
−
mA
2
VDD = 3.0 V
−
4.5
7.0
μA
1
*1. TDET: Set value of detection temperature
*2. The hysteresis temperature is selectable in 2°C, 4°C, 10°C, or 20°C.
However, if the detection temperature is +40°C to +49°C, select hysteresis temperature in 2°C, 4°C or 10°C.
2. Nch open drain output product
Table 8
(Ta = +25°C, unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
circuit
Power supply voltage
Detection temperature^*1
Hysteresis temperature^*2
Output current
Leakage current
Current consumption
during operation
VDD
+TD
THYS
IDETL
ILEAK
IDD
−
1.65
−
5.5
V
1
−
TDET − 2.5
TDET
TDET + 2.5 °C
1
−
−
2, 4, 10, 20
−
°C
1
Output transistor Nch
VDET = 0.4 V, VDD = 3.0 V
0.5
2.3
−
mA
2
Output transistor Nch
VDET = 5.5 V, VDD = 3.0 V
−
−
100
nA
2
VDD = 3.0 V
−
4.5
7.0
μA
1
*1. TDET: Set value of detection temperature
*2. The hysteresis temperature is selectable in 2°C, 4°C, 10°C, or 20°C.
However, if the detection temperature is +40°C to +49°C, select hysteresis temperature in 2°C, 4°C or 10°C.
[Fahrenheit ⇔ Celsius Conversion equation]
°C = (°F − 32) × 5 / 9
°F = 32 + °C × 9 / 5
 AC Electrical Characteristics
Table 9
Item
Noise suppression time
Symbol
Condition
tdelay
VDD = 3.0 V,
Ta = detection temperature
Min.
Typ.
Max.
Unit
Test
circuit
−
700
−
μs
−
7