參數(shù)資料
型號: S-80813CNNB-B9R-T2
廠商: Seiko Instruments Inc.
英文描述: ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
中文描述: 超小型封裝高精度電壓檢測器
文件頁數(shù): 34/54頁
文件大?。?/td> 672K
代理商: S-80813CNNB-B9R-T2
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-808xxC Series
Rev.3.2
_00
34
Seiko Instruments Inc.
3. Change of Detection Voltage
In Nch open-drain output products of the S-808xxC series, detection voltage can be changed using
resistance dividers or diodes as shown in
Figures 30 to
31
. In
Figure 30
, hysteresis width also changes.
(Nch open-drain
output products)
R
A
*1
OUT
VIN
VSS
VDD
+
S-
808xxCN
R
B
(RA
75 k
)
DET
B
R
B
A
V
R
+
R
R
voltagae
Detection
+
=
HYS
B
B
A
V
R
R
width
Hysterisis
=
(Nch open-drain
output product)
V
f1
OUT
VIN
VSS
VDD
S-
808xxCN
V
f2
Detection voltage=V
f1
+V
f2
+(
V
DET
)
*1.
R
A
should be 75 k
or less to prevent oscillation.
Caution If R
A
and R
B
are large, the hysteresis
width may aloso 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).
Figure 30
Figure 31
Caution The above connection diagram and constants do not guarantee correct operation. Perform
sufficient evaluation using the actual application to set the constants.
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