MIC6315-31D3

更新时间： 2024-11-10 22:51:19

品牌	Logo	应用领域
麦瑞 - MICREL		监控
页数	文件大小	规格书
9页	289K
描述
Dual Voltage Supervisor

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中文翻译

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数据手册

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MIC6315-31D3 数据手册

MIC2772

Dual Voltage Supervisor

General Description

Features

The MIC2772 is a dual power supply supervisor that

provides under-voltage monitoring and power-on

• 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

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.

• Ultra-small 2x2mm MLF package

Applications

• Servers

• Embedded Controllers

• Telecommunications Systems

• Power Supply Sequencing

• Hot-swapping

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.

• Power supplies

The tiny 2x2mm MLF package has a footprint

smaller than that of a single SOT23 voltage

supervisor.

Data sheets and support documentation can be

found on Micrel’s web site at www.micrel.com.

____________________________________________________________________________________________________

Typical Application

VCC1

10k

VCC1

RESET1

GND1

VCC

MR1

RESET µP

GND

VCC2

10k

VCC2

VCC

MR2 RESET2

GND2

RESET µP

GND

MIC2772 Typical Application Circuit

M9999-042005

(408) 955-1690

April 2005

12 3 4 5 6 7...9

中文翻译

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