FM809JS3X

更新时间： 2024-01-04 04:45:08

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		监控
页数	文件大小	规格书
9页	461K
描述
3-Pin UC Supervisor Circuits

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中文翻译

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数据手册
替代型号

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FM809JS3X 数据手册

August 2005

FM809/810

3-Pin µC Supervisor Circuits

General Description

The FM809/810 are supervisor circuits that monitor power

supply or other system voltages and issue reset pulse whenever

the voltage being monitored is out of tolerance. Once asserted,

the reset pulse is guaranteed to be valid for a minimum of

140ms (256ms typical). FM809xx offers active low push-pull

type of reset while FM810xx offers active high push-pull type.

Several threshold voltages are offered to accommodate 5.0V,

3.3V, 3.0V and 2.7V system voltages.

■ 140ms power-on RESET delay (minimum)

■ RESET operation guaranteed to 1.0V

■ Supply current only 2µA

■ No external components

■ Operating Range

– -40°C to +105°C (SOT23)

– -40°C to +85°C (SC70)

■ SOT23-3 and SC70-3 packages

The low supply current (typically 2 µA)recommends FM809/810

devices for portable designs or wherever power saving is

primary.

Applications

■ Microcontrollers and Microprocessors

These devices are offered in space saving 3-pin SOT23 and

SC70 packages.

■ Appliances

■ Power-Supply Monitoring

■ Portable Equipment

Features

■ Automotive Systems

■ V voltages of 4.63V, 4.38V, 4.00V, 3.08V, 2.93V and 2.63V

■ RESET (FM809) or RESET (FM810) output

Typical Operating Circuit

V_CC

FM809

µC

RESET

I/P

GND

Connection Diagram

GND

RESET (809) or

RESET (810)

FM809/810

SOT23-3 & SC70-3Packages

FM809/810 Rev. G

www.fairchildsemi.com

12 3 4 5 6 7...9

中文翻译

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FM809JS3X 替代型号

型号	品牌	替代类型	描述	数据表
LM809M3X-4.00	TI	功能相似	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, SOT-23, 3 PIN

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FM809LES3	FAIRCHILD	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, CMOS, PDSO3, SOT-23, 3 PIN
FM809LF	FAIRCHILD	获取价格	Power Management Circuit, Fixed, +4.63VV, CMOS
FM809LFS3	FAIRCHILD	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, CMOS, PDSO3, SOT-23, 3 PIN
FM809LH	FAIRCHILD	获取价格	Power Management Circuit, Fixed, +4.63VV, CMOS
FM809LP3	FAIRCHILD	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, SC-70, 3 PIN
FM809LP3X	FAIRCHILD	获取价格	3-Pin UC Supervisor Circuits
FM809LS3	FAIRCHILD	获取价格	暂无描述
FM809LS3X	FAIRCHILD	获取价格	3-Pin UC Supervisor Circuits