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參數(shù)資料
| 型號(hào)： | MIC811M |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 30000 SYSTEM GATE LOGIC CELL ARRAY - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 雙電壓監(jiān)控 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 226K |
| 代理商： | MIC811M |
MIC2772
Dual Voltage Supervisor
General Description
The MIC2772 is a dual power supply supervisor that
provides under-voltage monitoring and power-on
reset generation. It may replace two discrete
voltage supervisors such as MIC1810, MIC1815,
MIC809, MIC811, MIC6315, etc. The two voltage
supervisors are completely independent. Each
functional block features an under-voltage detector,
a delay-generator, and a de-bounced manual reset
input.
A wide choice of voltage thresholds is available.
The reset output is asserted at power-on and any
time the input voltage drops below the reference
voltage. It remains asserted for the chosen timeout
period after the input rises back above the threshold.
Reset timeouts of 20, 140, and 1100ms (minimum)
are available.
A reset can be generated at any time by asserting
the manual reset input, /MR. This input is internally
de-bounced, and the reset output will remain active
for the timeout period after the release of /MR. The
/MR input can also be used to daisy-chain one or
more of the MIC2772’s supervisors onto existing
power monitoring circuitry or other supervisors.
The tiny 2x2mm MLF package has a footprint
smaller than that of a single SOT23 voltage
supervisor.
found on Micrel’s web site at www.micrel.com
.
____________________________________________________________________________________________________
Typical Application
Features
Two independent voltage supervisors
Directly replaces discrete supervisors
Generates power-on reset pulses
De-bounced manual reset Inputs
Choice of voltage thresholds
20, 140, or 1100ms reset timeouts
Reset output may be pulled above VCC
Rejects brief input transients
Ultra-small 2x2mm MLF package
Applications
Servers
Embedded Controllers
Telecommunications Systems
Power Supply Sequencing
Hot-swapping
Power supplies
MR1
MR2
GND2
RESET2
VCC2
VCC2
10k
10k
RESET1
GND1
VCC1
VCC1
RESET
GND
VCC
GND
RESET
VCC
μP
μP
MIC2772 Typical Application Circuit
April 2005
M9999-042005
(408) 955-1690
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC811MU | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:RF Micro Devices Inc 功能描述: |
| MIC811MU TR | 功能描述:IC RESET GEN 4.38V VTH SOT143-4 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR |
| MIC811MUY | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC811MUY TR | 功能描述:監(jiān)控電路 Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output, 4.38V Threshold, 140ms reset pulse in SOT143-4 - Lead Free 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 |
| MIC811MUYTR | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
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