Datasheet > SP730_05

SP730_05

更新时间： 2024-11-25 04:03:19

品牌	Logo	应用领域
西伯斯 - SIPEX		微处理器监控
页数	文件大小	规格书
7页	612K
描述
Microprocessor Supervisory Circuit with Pull Up Resistor

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SP730_05 数据手册

SP730

Microprocessor Supervisory Circuit with Pull Up Resistor

GND

FEATURES

■ Holds Microcontroller in Reset

■ Reset Microcontroller during power loss

■ 4.375 and 3.075 Voltage Trip Points

■ Active Low RESET Pin

SP730

3 Pin SOT-23

RESET

Now Available in Lead Free Packaging

■ Internal Pull-up Resistor

■ Holds RESET for 350ms (typical)

■ RESET valid down to V_DD1.0V

■ 45µA Typical Operating Current

■ Offered in a 3 Pin SOT-23 Package

APPLICATIONS

■ Portable Electronic Devices

■ Electrical Power Meter

■ Computer System Board

■ Modem

DESCRIPTION

The SP730 is a voltage supervisory device designed to keep a microcontroller in reset until the

system voltage has reached the proper level and stabilized. It also operates as protection from

brown-out conditions when the supply voltage drops below a safe operating level. The SP730

has an internal 5kΩ pull-up resistor. The device has an active low RESET pin and will assert

the RESET signal whenever the voltage on the V pin is below the trip-point voltage. The part

is available in a small 3 pin SOT-23 package. Co^Dn^Dtact factory for other trip voltage options.

TYPICAL APPLICATION CIRCUIT

Microcontroller

SP730

Bypass

Capacitor

GND

MCLR

RESET

GND

Date: 11/15/05

SP730 Microprocessor Supervisory Circuit

12 3 4 5 6 7

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