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S-5840B Datasheet, PDF (5/13 Pages) Seiko Instruments Inc – TEMPERATURE SWITCH IC WITH LATCH | |||
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Rev.1.2_00
TEMPERATURE SWITCH IC WITH LATCH
S-5840B Series
 DC Electrical Characteristics
1. Product with CMOS output
Table 5
Parameter
Power supply voltage
Detection temperature
Output current
Release voltage for
built-in voltage detector
Hysteresis width for
built-in voltage detector
Symbol
VDD
TD
IDETH
IDETL
VR
VHYS
Conditions
â
â
VDD = 3.5 V,
Apply for DET
pin
VDET = 2.7 V
VDET = 0.4 V
â
â
Temperature
coefficient for built-in
voltage detector
âVRET
âTa ⢠VRET Ta = â40 to +100°C
Operating current
IDD
VDD = 3.5 V
2. Product with Nch open drain output
Table 6
Parameter
Power supply voltage
Detection temperature
Output current
Release voltage for
built-in voltage detector
Hysteresis width for
built-in voltage detector
Symbol
VDD
TD
IDETL
ILEAK
VR
VHYS
Conditions
â
â
VDET = 0.4 V, VDD = 3.5 V
VDET = 10.0 V, VDD = 3.5 V
â
â
Temperature
coefficient for built-in
voltage detector
âVRET
âTa ⢠VRET Ta = â40 to +100°C
Operating current
IDD
VDD = 3.5 V
 AC Electrical Characteristics
Table 7
Parameter
Noise filtering time
Symbol
tnoise
Conditions
CD = 4.7 nF, VDD = 3.5 V,
Ta = detection temperature
(Ta = 25°C, unless otherwise specified)
Min.
Typ.
Max.
Unit
1.0
â
10.0
V
TDET â 2.5
TDET
TDET + 2.5 °C
2
9.4
â
mA
0.5
VRET Ã
0.98
â
2.8
VRET
VRET Ã
0.05
â
mA
VRET Ã
V
1.02
â
V
â
±100
â
ppm/
°C
â
12
24
µA
(Ta = 25°C, unless otherwise specified)
Min.
Typ.
Max.
Unit
1.0
â
10.0
V
TDET â 2.5
TDET
TDET + 2.5 °C
0.5
2.8
â
mA
â
â
100
nA
VRET Ã
0.98
VRET
VRET Ã
1.02
V
â
VRET Ã
0.05
â
V
â
±100
â
ppm/
°C
â
12
24
µA
Min.
Typ.
Max.
Unit
10
30
50
ms
Seiko Instruments Inc.
5
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