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| 型號： | S-80834ANUP-EDY-T2 |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO3 |
| 封裝： | POWER, PLASTIC, SOT-89, 3 PIN |
| 文件頁數(shù)： | 17/31頁 |
| 文件大小： | 412K |
| 代理商： | S-80834ANUP-EDY-T2 |
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SUPER-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-808 Series
Seiko Instruments Inc.
23
n Application Circuit Examples
1.
Microcomputer reset circuits
If the power supply voltage to a microcomputer falls below the specified level, an unspecified operation may be performed or
the contents of the memory register may be lost. When power supply voltage returns to normal, the microcomputer needs to
be initialized before normal operations can be done.
Reset
circuits
protect
microcomputers
in
the
event
of
current
being
momentarily
switched
off
or
lowered.
With the S-808 Series which has a low operating voltage, a high-precision detection voltage and hysteresis characteristic, the
reset circuits shown in Figures 15 to 16 can be easily constructed.
2.
Addition of power-on reset circuit
A power-on reset circuit can be constructed using Nch open-drain product of S-808 Series.
(Nch open-drain products)
OUT
VIN
VS
VDD
Note 1:
R should be 75 k
or less for purpose of protection against oscillation.
Note 2:
Di instantaneously discharges the electric charge stored by C at the falling of the power.
Di is not necessary if delay in falling time is normal.
S-
808XXAN
R
C
Di
(R
≤75k)
VDD
(V)
t(s)
OUT
(V)
t(s)
Figure 17
Note 3: When the power steeply rises, output may goes high for a instant due to the IC inconstant region
characteristics (output voltage is unstable in the region under minimum operating voltage) as shown in
Figure. 18.
VDD
(V)
t(s)
OUT
(V)
t(s)
Figure 18
VS
VDD
Micro-
computer
S-
808XXAL
Figure 15
(Nch open-drain output products only)
VDD1
VDD2
Micro-
computer
S-
808XXAN
Figure 16
DISCONTINUED
PRODUCT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-80834CLMC-B6T-T2 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR |
| S-80834CLMC-B6TT2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 Voltage Detector 0.8uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80834CLMC-B6TT2U | 功能描述:IC VOLT DETECTOR 3.4V SOT23-5 制造商:ablic u.s.a. inc. 系列:S-808xxC 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:電壓檢測器 受監(jiān)控電壓數(shù):1 輸出:推挽式，圖騰柱 復(fù)位:低有效 復(fù)位超時:- 電壓 - 閾值:3.4V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
| S-80834CLNB-B6T-T2 | 功能描述:電壓監(jiān)測器/監(jiān)控器 3.4V 1.3uA CMOS Out RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80834CLNB-B6TT2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 3.4V 1.3uA CMOS Out RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
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