s-1000c23-n4t1u Seiko Instruments Inc., s-1000c23-n4t1u Datasheet - Page 23

• Manufacturer Part Number: s-1000c23-n4t1u
• Description: Ultra-small Package High-precision Voltage Detector
• Manufacturer: Seiko Instruments Inc.

Caution If R
Rev.3.0
*1. R
3. Change of detection voltage
VSS
VDD
If C is not connected, R
or more to prevent oscillation.
In Nch open-drain output products of the S-1000 series, detection voltage can be changed using resistance dividers or
diodes as shown in Figures 29 to 30. In Figure 29, hysteresis width also changes.
Caution The above connection diagram and constants do not guarantee correct operation. Perform sufficient
A
should be 75 kΩ or less, and C should be 0.01 μF
may also be larger than the value given by
the above equation due to the through-type
current (which flows slightly in an Nch
open-drain product).
Detection
R
_00
Hysterisis
R
A
*1
A
B
evaluation using the actual application to set the constants.
and R
VIN
C
*1
voltagae
width
B
Figure 29
are large, the hysteresis width
+
−
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
=
A
S-1000N
=
should be 800 Ω or less.
R
R
A
R
A
+
R
B
+
(Nch open-drain
output products)
R
B
R
B
B
•
•
V
−
HYS
V
DET
Seiko Instruments Inc.
OUT
Detection voltage = V
VSS
VDD
V
V
f1
f2
VIN
f1
+V
f2
Figure 30
+(−V
S-1000N
DET
)
(Nch open-drain
output product)
S-1000 Series
OUT
23