參數(shù)資料
型號(hào)： S-80731AH-BV-T2
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3
封裝： SOT-89, 3 PIN
文件頁(yè)數(shù)： 29/40頁(yè)
文件大?。?/td> 454K
代理商： S-80731AH-BV-T2
HIGH-PRECISION VOLTAGE DETECTOR
S-807 Series
34
Seiko Instruments Inc.
3. Change of detection voltage
In Nch open-drain output products of the S-807 Series, detection voltage can be changed with resistance dividers or diodes
as shown in Figures 22 and 23. In Figure 22, hysteresis width is also changed.
n
n Notes
In CMOS output products of S-807 Series, high through current flows when detecting or releasing. If a high impedance is
connected to the input, oscillation may be caused by the through current when lowering the voltage during releasing.
In TO-92 products, since there are projections and resin burrs on the roots of the lead terminals formed at the Tiebar-cut, do
not solder to them.
When designing for mass production using an application circuit described here, take into account the deviation of
components and temperature characteristics.
Seiko Instruments Inc. cannot take any responsibility for the patents on the circuits described here.
Detection voltage=Vf1+Vf2+-VDET
Figure 23
Figure 22
RB
RA
OUT
VIN
VS
VDD
S-
807XX
AN/SN
+
-
(Nch open-drain
products)
(RA
≤7.5k)
Vf2
Vf1
OUT
VIN
VSS
VDD
S-
807XX
AN/SN
(Nch open-drain
products)
Figure 29
Detection voltage=
Hysteresis width=
-V
DET
RA+RB
RB
-V
HYS
RA+RB
RB
Note 1: The hysteresis width will be a little
wider than the value of the formula
above, because of the through current,
if RA and RB are larger.
Note 2: RA should be 7.5k
or less for
purpose of protection against
oscillation.
DISCONTINUED
PRODUCT
相關(guān)PDF資料
PDF描述
S-80728AN-DR-S 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-80731AH-BV-X 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE DETECTOR
S-80731AL 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE DETECTOR
S-80731AL-AV-X 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE DETECTOR
S-80731AN 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE DETECTOR
S-80731AN-DV-X 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:HIGH-PRECISION VOLTAGE DETECTOR
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