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參數(shù)資料
| 型號(hào)： | FM1233ADS3X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 3-Pin C Supervisor Circuit |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大?。?/td> | 66K |
| 代理商： | FM1233ADS3X |
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www.fairchildsemi.com
FM1233A Rev. E
General Description
The FM1233A features a highly accurate voltage reference to
which V
CC
is compared. Once V
CC
old, it will drive the RESET line and continue to hold it low until
V
CC
returns above the threshold and the time for the RESET
pulse duration has expired. The FM1233A is immune to short
negative going transients on the V
0.1μF bypass capacitor as close as possible to the V
vides additional transient immunity.
is below the specified thresh-
CC
line. The placement of a
CC
pin pro-
For a V
much current on the RESET pin. This is not a problem in most
systems since common devices are not functional in this range.
If it is desired for the FM1233A reset to be functional below this
range, use a 100K
pull-down resistor between RESET and
V
SS
.
Bi-Directional Reset
CC
value below 1.0V, the FM1233A does not sink very
The FM1233A permits a pushbutton (or a signal) to initiate a
reset externally. Once this external reset is detected on the
reset pin, FM1233 also actively asserts the reset signal to main-
tain the Reset Timeout period when the external reset is not
present .
FM1233 internally debounces glitches seen during a typical
push button closure. For proper operation, the external switch
should be paralleled by an external capacitor of 100pF to
0.01μF.
Connecting an External Reset to the FM1233A
1
FM1233
Controller
2
3
VCC
GND
100pF
PUSH
BUTTON
RESET
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM1233B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Pin レC Supervisor Circuit |
| FM1233BDS3X | 功能描述:監(jiān)控電路 4.38V Gen Circuit aL Bidirectional PR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM1233BES3X | 功能描述:監(jiān)控電路 4.12V Gen Circuit aL Bidirectional PR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM1233BFS3X | 功能描述:監(jiān)控電路 4.62V Gen Circuit aL Bidirectional PR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM1233D | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Pin レC Supervisor Circuit |
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