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參數(shù)資料
| 型號： | MIC809T |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | Dual Voltage Supervisor |
| 中文描述： | 雙電壓監(jiān)控 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 226K |
| 代理商： | MIC809T |
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 |
|---|---|
| MIC809TBC3 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Microprocessor Reset Circuits |
| MIC809TU | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC809TU TR | 功能描述:IC RESET GEN 3.08V VTH SOT23-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:標準傳輸延遲為 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 |
| MIC809TUTR | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC809TUY | 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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