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RT9818E中文资料电压检测器数据手册Richtek规格书

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厂商型号

RT9818E

参数属性

RT9818E 封装/外壳为SC-82;包装为管件;类别为集成电路(IC)的监控器;产品描述:IC SUPERVISOR 1 CHANNEL SC82

功能描述

电压检测器

封装外壳

SC-82

制造商

Richtek Richtek Technology Corporation

中文名称

立锜科技 立锜科技股份有限公司

数据手册

下载地址下载地址二

更新时间

2026-1-23 22:30:00

人工找货

RT9818E价格和库存,欢迎联系客服免费人工找货

RT9818E规格书详情

描述 Description

The RT9818 is a micro-power voltage detector designed to supervise the power supply voltage levels for microprocessors (μP) or digital systems. It provides internally fixed threshold levels with 0.1V increments, ranging from 1.2V to 5V, covering most digital applications. The device features a low supply current of 3μA. The RT9818 performs supervisory function by sending out a reset signal whenever the VDD voltage falls below a preset threshold level. This reset signal persists until VDD recovers and surpasses the threshold level, at which point the reset signal is released after a certain delay time. The RT9818 is available in SC-82, SC-70-3, SOT-23-3, SOT-23-5, and SOT-89 packages. The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.

特性 Features

Internally Fixed Threshold from 1.2V to 5V in 0.1V Step
±1.5% High Accuracy
3μA Low Supply Current
No External Components Required
Quick Reset within 20μs
Built-In Recovery Delay Options: 0ms, 55ms, 220ms, 450ms
0.9V Low Functional Supply Voltage
N-Channel Open-Drain Output
Available in Small SC-82, SC-70-3, SOT-23-3, SOT-23-5, and SOT-89 Packages

应用 Application

•Desktop/Notebook Computers
• Critical μP and μC Power Monitoring
• Portable/Battery-Powered Equipment
• Controllers

技术参数

  • 制造商编号

    :RT9818E

  • 生产厂家

    :Richtek

  • Vin(min)

    :0.9

  • Vin(max)

    :6

  • VTH(min)

    :1.2

  • VTH(max)

    :5

  • Accuracy

    :1.5

  • ResetActiveType

    :High

  • ResetTime-outPeriod(typ)

    :0

  • ResetDelayTime(typ)

    :0.02

  • PackageType

    :SOT-23;SOT-25;SC-70-3;SC-82;SOT-89

供应商 型号 品牌 批号 封装 库存 备注 价格
RICHTEK
24+
SOT-343
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
询价
RICHTEK/立锜
22+
SOT-343
100000
代理渠道/只做原装/可含税
询价
RICHTEK/立锜
23+
SC70SOT89SOT23-5
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
询价
RICHTEK/立锜
21+
SOT23-5
41135
询价
Richtek(立崎)
23+
NA
26094
10年以上分销经验原装进口正品,做服务型企业
询价
RICHTEK
23+
SOT-343
12800
##公司主营品牌长期供应100%原装现货可含税提供技术
询价
SC-82
23+
NA
15659
振宏微专业只做正品,假一罚百!
询价
RICHTEK/立锜
20+
SOT23-5
880000
明嘉莱只做原装正品现货
询价
RICHTEK/立锜
新年份
SC70SOT89SOT23-5
56000
一级代理原装正品现货,支持实单!
询价
RICHTEK
25+
SOT23
2459
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价