CXDR7589经济高效的系统监控集成电路在数字和混合信号系统中监控VCC在系统电源超出工作范围时提供警告信号必要时向主机处理器提供重置信号

CXDR7589是一种经济高效的系统监控集成电路（IC），设计用于在数字和混合信号系统中监控VCC，并在系统电源超出工作范围时提供警告信号，必要时向主机处理器提供重置信号。不需要外部组件。复位输出在VCC通过复位电压阈值的20μs内被激活。VCC上升到重置阈值以上后，重置保持激活150毫秒（典型值）。CXDR7589具有激活的高复位输出。CXDR7589的特点是在-40oC到125oC的温度下工作，结温。CXDR7589经过优化，可排除VCC线路上的快速瞬态故障。7μA（VCC=3.3V）的低供电电流使这些设备适合于电池供电的应用。输出电压从1.7V到4.5V，增量为100mV。标准电压版本为2.30、2.63、2.93、3.08、4.0、4.38和4.63V

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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The CXDR7589 is a cost-effective system supervisor Integrated Circuit (IC) designed to monitor VCC in digital and mixed signal systems and provide a warning signal when the system power supply is out of working range, and a reset signal to the host processor when necessary. No external components are required. The reset output is driven active within 20μsec of VCC falling through the reset voltage threshold. Reset is maintained active for a 150mSec(typ) after VCC rises above the reset threshold. The CXDR7589 has an active-high RESET output. The CXDR7589 is characterized for operation from -40oC to 125oC, junction temperature. The CXDR7589is optimized to reject fast transient glitches on the VCC line. Low supply current of 7μA (VCC=3.3V) makes these devices suitable for battery powered applications. The output voltages range from 1.7V to 4.5V in 100mV increments. Standard voltage versions are 2.30, 2.63, 2.93, 3.08, 4.0, 4.38, and 4.63V.

   产品特点 返回TOP

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¾ Precision VCC Monitor for 2.8V, 3.0V, 3.3V, and 5.0V Supplies 

¾ 150mSec typical RESET Output Delay. 

¾ Low 7μA Supply Current typical. 

¾ VCC Transient Immunity 

¾ Small SOT-23 Package and TO-92 Package 

¾ No External Components 

¾ ESD rating is 7KV(HBM). 

¾ Wide Operating Temperature: -40°C to 125°C 

¾ 100% Lead (Pb)-Free

   应用范围 返回TOP

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¾ Computers 

¾ Embedded systems 

¾ Battery powered equipment 

¾ Critical μP power supply monitoring

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

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Voltage detector/Reset（电压检测复位）
Product	Status	Vin	VouT	Output type	IQ/IDIS	Pkg	Recommend
CXDR7588	Active	6v	4.63V,4.38V,4V,3.08V,2.93V 2.63V,2.3V	CMOS	7uA	SOT23	Voltage Monitor（高电平有效）
CXDR7589	Active	6v	4.63V,4.38V,4V,3.08V,2.93V 2.63V,2.3V	CMOS	7uA	SOT23	Voltage Monitor（高电平有效）
CXDR7590	Active	6v	4.63V,4.38V,4V,3.08V,2.93V 2.63V,2.3V	CMOS	7uA	SOT23	Voltage Monitor（高电平有效）