Datasheet > RT9833C-19GY

RT9833C-19GY

更新时间： 2024-09-20 00:10:23

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
11页	185K
描述
Micro-Power Voltage Detectors

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RT9833C-19GY 数据手册

RT9833

Micro-Power Voltage Detectors with Manual Reset

General Description

Features

^zInternally Fixed Threshold 1V to 5V in 0.1V Step

The RT9833 is a micro-power voltage detector with

deglitched manual reset input supervising the power supply

voltage level for microprocessors (μP) or digital systems.

It provides internally fixed threshold levels with 0.1V per

step ranging from 1V to 5V, which covers most digital

applications. It features low supply current of 3μA. The

RT9833 performs supervisory function by sending out a

reset signal whenever the V_DDvoltage falls below a preset

threshold level. This reset signal will last the whole period

before V_DDrecovering. Once V_DDrecovered upcrossing

the threshold level, the reset signal will be released after

a certain delay time. To pull reset signal low manually,

just pull the manual reset input (MR) below the specified

V_ILlevel. The RT9833 is available in the SC-82 package.

^zHigh Accuracy 1.5%

^zLow Supply Current 3μA

^zNo External Components Required

^zQuick Reset within 20μs

^zBuilt-in Recovery Delay : 0ms, 55ms, 220ms, 450ms

Options

^z800ns Glitch Immunity of Manual Reset Input

^zLow Functional Supply Voltage 0.9V

^zN-Channel Open-Drain Output

^zSmall SC-82 Package

z RoHS Compliant and Halogen Free

Applications

z Computers

z Controllers

Ordering Information

z Intelligent Instruments

z Critical μP and μC Power Monitoring

z Portable/Battery-Powered Equipment

RT9833

Package Type

Y : SC-82

Lead Plating System

G : Green (Halogen Free and Pb Free)

Marking Information

Threshold Voltage

12 : 1.2V

13 : 1.3V

49 : 4.9V

50 : 5.0V

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

Reset Active Timeout Period

A = 0ms (RESET)

B = 55ms (RESET)

C = 220ms (RESET)

D = 450ms (RESET)

E = 0ms (RESET)

F = 55ms (RESET)

G = 220ms (RESET)

H = 450ms (RESET)

Note :

Richtek products are :

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

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

Simplified Application Circuit

RT9833

VDD

µp

VDD

RESET/

RESET

RESET/

RESET

GND

is a registered trademark of Richtek Technology Corporation.

DS9833-00 May 2013

www.richtek.com

12 3 4 5 6 7...11

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