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參數(shù)資料
| 型號(hào)： | S-80847ANY |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3 |
| 封裝： | PLASTIC, TO-92, 3 PIN |
| 文件頁數(shù)： | 7/31頁 |
| 文件大?。?/td> | 412K |
| 代理商： | S-80847ANY |
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SUPER-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-808 Series
14
Seiko Instruments Inc.
n Operation
1.
Basic operation : CMOS active low output
(1) When power supply voltage VDD is greater than the release voltage +VDET, the Nch transistor is OFF and the Pch
transistor ON, causing VDD (high) to appear at the output. With the Nch transistor N1 of Figure 9 OFF, the comparator
input voltage is (RB+RC)/(RA+RB+RC)
×V
DD.
(2) When power supply voltage VDD goes below +VDET, the output maintains the power supply voltage level, as long as VDD
remains above the detection voltage -VDET. When VDD does fall below -VDET (A in Figure 10), the Nch transistor goes ON,
the Pch transistor goes OFF, and VSS appears at the output. With the Nch transistor N 1 of Figure 9 ON, the comparator
input voltage is RB/(RA+RB)
×V
DD.
(3) When VDD falls below the minimum operating voltage, the output becomes undefined. However, output will revert to VDD
if a pull-up has been employed.
(4) VSS will again be output when VDD rises above the minimum operating voltage. VSS will continue to be output even when
VDD surpasses -VDET, as long as it does not exceed the release voltage +VDET.
(5) When VDD rises above +VDET (B in Figure 10), the Nch transistor goes OFF, the Pch transistor goes ON, and VDD
appears at the output.
A
B
VD
VSS
Release voltage (+VDET)
Detection voltage (-VDET)
Min. operating voltage
OUT terminal output
Hysteresis
width (VHYS)
VD
VSS
(1)
(2)
(3)
(5)
(4)
+
VREF
RA
R
RC
N1
VS
VDD
Figure 9
*
OUT
*
Pch
Nch
Figure 10
* Parasitic diode
DISCONTINUED
PRODUCT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-80847CLMC-B68T2G | 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-80847CLNB-B68-T2 | 功能描述:電壓監(jiān)測器/監(jiān)控器 4.7V 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-80847CLNB-B68T2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 4.7V 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-80847CLPF-B68TFG | 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-80847CLUA-B68-T2 | 功能描述:電壓監(jiān)測器/監(jiān)控器 4.7V 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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