Datasheet > RT9807-32GB

RT9807-32GB

更新时间： 2024-11-28 01:04:51

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
7页	167K
描述
Micro-Power Voltage Detector

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RT9807-32GB 数据手册

RT9807

Micro-Power Voltage Detector with Manual Reset

General Description

Features

^Monitor System Voltages from 0.9V to 5.5V

^Capacitor-Adjustable Reset Timeout Period

^Manual Reset Input

The RT9807 is a micro-power voltage detector with

deglitched manual reset input which supervises the power

supply voltage level for microprocessors (μP) or digital

systems. It provides internally fixed threshold levels

ranging from 1.2V to 3.3V with 0.1V per step, which covers

most digital applications. It features low supply current of

3μA.

^Low Quiescent Current

^High Accuracy 1.5%

^Low Functional Supply Voltage 0.9V

^N-Channel Open-Drain Output

^Small SOT-23-5 Package

The RT9807 performs supervisory function by sending out

a reset signal whenever the VDD voltage falls below a

preset threshold level. The timeout period of this reset

signal can be adjusted via an external capacitor. Once

VDD recovers above the threshold level, the reset signal

will be released after a certain delay time. To manually

pull reset signal low, just pull the manual reset input (MR)

below the specified logic-low level.

^RoHS Compliant and Halogen Free

Applications

 Computers

 Controllers

 Intelligent Instruments

 Critical uP and uC Power Monitoring

 Portable/Battery-Powered Equipment

The RT9807 is available in an SOT-23-5 package.

Pin Configurations

Ordering Information

(TOP VIEW)

RT9807-

VDD

Package Type

B : SOT-23-5

Lead Plating System

G : Green (Halogen Free and Pb Free)

RST GND MR

SOT-23-5

Output Voltage

12 : 1.2V

13 : 1.3V

32 : 3.2V

33 : 3.3V

Typical Application Circuit

470k

Note :

RT9807

Richtek products are :

VDD

Reset

RST

 RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

1uF

 Suitable for use in SnPb or Pb-free soldering processes.

GND

10nF

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

is a registered trademark of Richtek Technology Corporation.

DS9807-02 December 2015

www.richtek.com

12 3 4 5 6 7

中文翻译

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