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參數(shù)資料
| 型號： | S-80820CLPF-B6FTFG |
| 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)： | 20/54頁 |
| 文件大?。?/td> | 672K |
| 代理商： | S-80820CLPF-B6FTFG |
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-808xxC Series
Rev.3.2
_00
20
Seiko Instruments Inc.
Operation
1. Basic Operation: CMOS Output (Active Low)
1-1.
When the power supply voltage (V
DD
) is higher than the release voltage (
+
V
DET
), the Nch transistor is
OFF and the Pch transistor is ON to provide V
DD
(high) at the output. Since the Nch transistor N1 in
Figure 15
is OFF, the comparator input voltage is
C
B
A
DD
C
B
R
R
R
V
)
R
R
(
+
+
+
.
1-2.
When the V
DD
goes below
+
V
DET
, the output provides the V
DD
level, as long as the V
DD
remains above
the detection voltage
V
DET
. When the V
DD
falls below
V
DET
(point A in
Figure 16
), the Nch transistor
becomes ON, the Pch transistor becomes OFF, and the V
SS
level appears at the output. At this time
the Nch transistor N1 in
Figure 15
becomes ON, the comparator input voltage is changed to
V
R
+
1-3.
When the V
DD
falls below the minimum operating voltage, the output becomes undefined, or goes to the
V
DD
when the output is pulled up to the V
DD
.
1-4.
The V
SS
level appears when the V
DD
rises above the minimum operating voltage. The V
SS
level still
appears even when the V
DD
surpasses
V
DET
, as long as it does not exceed the release voltage
+
V
DET
.
1-5.
When the V
DD
rises above
+
V
DET
(point B in
Figure 16
), the Nch transistor becomes OFF and the Pch
transistor becomes ON to provide V
DD
level at the output.
B
A
DD
R
B
R
.
V
REF
Pch
Nch
N1
R
C
R
B
R
A
+
OUT
VSS
VDD
*1
*1
*1
*1.
Parasiteic diode
Figure 15 Operation 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-80820CLPF-B6FTFU | 功能描述:IC VOLT DETECTOR 2.0V SNT-4A 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:2V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:4-SMD，扁平引線 供應(yīng)商器件封裝:SNT-4A 標(biāo)準(zhǔn)包裝:1 |
| S-80820CLPF-B8ATFG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR |
| S-80820CLPF-B8BTFG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR |
| S-80820CLPF-B8CTFG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR |
| S-80820CLPF-B8MTFG | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR |
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