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S-5840B Datasheet, PDF (5/13 Pages) Seiko Instruments Inc – TEMPERATURE SWITCH IC WITH LATCH
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
−
−
VDD = 3.5 V,
Apply for DET
pin
VDET = 2.7 V
VDET = 0.4 V
−
−
Temperature
coefficient for built-in
voltage detector
∆VRET
∆Ta • VRET Ta = −40 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
−
−
VDET = 0.4 V, VDD = 3.5 V
VDET = 10.0 V, VDD = 3.5 V
−
−
Temperature
coefficient for built-in
voltage detector
∆VRET
∆Ta • VRET Ta = −40 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
−
10.0
V
TDET − 2.5
TDET
TDET + 2.5 °C
2
9.4
−
mA
0.5
VRET ×
0.98
−
2.8
VRET
VRET ×
0.05
−
mA
VRET ×
V
1.02
−
V
−
±100
−
ppm/
°C
−
12
24
µA
(Ta = 25°C, unless otherwise specified)
Min.
Typ.
Max.
Unit
1.0
−
10.0
V
TDET − 2.5
TDET
TDET + 2.5 °C
0.5
2.8
−
mA
−
−
100
nA
VRET ×
0.98
VRET
VRET ×
1.02
V
−
VRET ×
0.05
−
V
−
±100
−
ppm/
°C
−
12
24
µA
Min.
Typ.
Max.
Unit
10
30
50
ms
Seiko Instruments Inc.
5