CXDR75126 CXDR75127 They provide excellent circuit reliability at low cost by eliminating external components. Since the sense pin is separated from power supply, it allows the IC to monitor added pow

CXDR75126 CXDR75127microprocessor (μP) supervisory circuits monitor system voltages in μP and digital systems. They provide excellent circuit reliability at low cost by eliminating external components. Since the sense pin is separated from power supply, it allows the IC to monitor added power supply. Using the IC with the sense pin separated from power supply enables output to maintain the state of detection even when voltage of the monitored power supply drops to 0V. The VSEN pin of G68_ _09T_ is high impedance and can be used for application of reset threshold programming. Moreover, with the built-in delay circuit, connecting the delay capacitance pin to the capacitor enables the IC to provide an arbitrary release delay time. All of these devices are offered in SOT-23-5, SC-70-5, DFN1.6X1.6-6 and ADNF1.5X1.5-6 packages.

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 CXDR75126/CXDR75127 microprocessor (μP) supervisory circuits monitor system voltages in μP and digital systems. They provide excellent circuit reliability at low cost by eliminating external components. Since the sense pin is separated from power supply, it allows the IC to monitor added power supply. Using the IC with the sense pin separated from power supply enables output to maintain the state of detection even when voltage of the monitored power supply drops to 0V. The VSEN pin of G68_ _09T_ is high impedance and can be used for application of reset threshold programming. Moreover, with the built-in delay circuit, connecting the delay capacitance pin to the capacitor enables the IC to provide an arbitrary release delay time. All of these devices are offered in SOT-23-5, SC-70-5, DFN1.6X1.6-6 and ADNF1.5X1.5-6 packages.

   产品特点 返回TOP

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„ Monitor Supply Voltages from 0.9V to 1.8V 

„ ±2% Reset Threshold Accuracy 

„ Capacitor-Adjustable Reset Timeout Period tRP (ms) ≅ 2.7 × CD (nF) at VCC=3.3V 

„ Low Quiescent Current : 10μA at VCC =3.3V 

„ Available in three RESET Output Options Push-Pull RESET Output (CXDR75126L) Push-Pull RESET Output (CXDR75126H) Open-Drain RESET (CXDR75127L) 

„ Programmable Reset Threshold Application (G68_ _09T_) 

„ Guaranteed Reset Valid to VCC = 1V 

„ Power-Supply Transient Immunity 

„ SOT-23-5, SC-70-5, DFN1.6X1.6-6 and ADFN1.5X1.5-6 Packages

   应用范围 返回TOP

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„ Computers 

„ Controllers 

„ Intelligent Instruments 

„ Critical μP and μC Power Monitoring 

„ Portable/Battery-Powered Equipment 

„ Telecom/Networking Equipment

   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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Delay   Time Adjustable
Part   NO.	VCC(V min.	VCC(V max.	Detecting Voltage(V)	ICD  source  (μA)	VTCD (V)	Vth  Accu racy(%)	Isupply (μA)	Note	Package
CXDR75119	2.2	5.5	0.8*VCC	1.1	0.833	--	4	Open-Drain RESET Output TMR(ms) =76000×CMR(uF)	ADFN1.5X 1.5-6
CXDR75120 /1	0.8	5.5	2.2/3.7	0.18	--	2	29	CXDR75120H/L is a Push-Pull High/Low  Reset CXDR75121L is an Open-Drain Low  Reset TCD(ms)=5700×CD(uF)	TSOT25
CXDR75122 /3	0.8	5.5	2.0/2.2/2.4	0.09	0.5	2	35	CXDR75122H/L is a Push-Pull High/Low  Reset CXDR75123L is an Open-Drain Low Reset TCD(ms)=6740×CD(uF)	SOT25 TDFN2X2-6
CXDR75124 /5	1	5.5	2.6/2.9/3.1 3.3/3.9/4.34.6	0.67	1.25	2	14	CXDR75124L is a Push-Pull LowReset  CXDR75125L is an Open-Drain Low  Reset TCD(ms)=1860×CD(uF)TMR(ms) =88000×CMR(uF)	SOT26  ADFN1.5X 1.5-6
CXDR75126 /7	2.7	5.5	Individual  Set by  Resistor	--	0.788	2	12	CXDR75126H/L is a Push-Pull High/Low  Reset CXDR75127L is an Open-Drain Low Reset TCD(ms)=2700×CD(uF)	SOT25 SC70-5 DFN1.6X1.6-6 ADFN1.5X1.5-6
CXDR75128 /9	0.8	5.5	2.5/2.6/2.93.1/3.3/4.04.3/4.6	0.88	1.25	2	14	CXDR75128H/L is a Push-Pull High/Low  Reset CXDR75129L is an Open-Drain Low Reset TCD(ms)=1685×CD(uF)	SOT25 TSOT23-5