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首页 > 产品中心 > 电池充电芯片 > 电压检测器/复位IC > 电压检测与复位IC >CXDR75122 CXDR75123 These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, with hysteresis keeping it asserted for time
CXDR75122 CXDR75123 These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, with hysteresis keeping it asserted for time
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CXDR75122 CXDR75123 are microprocessor (μP) supervisory circuits used to monitor the power supplies in μP and digital systems. They provide excellent circuit reliability and low cost and adjustments when used with +2.5V, +3.0V powered circuits. These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, with hysteresis keeping it asserted for time delay determined by externally programmable time delay generator after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The CXDR75123L has an open-drain output stage, while the CXDR75122 have push-pull outputs. The CXDR75123’s open-drain RESET output requires a pull-up resistor that can be connected to a voltage higher than VCC. The CXDR75122 have an active-low RESET output, while the CXDR75122 has an active-high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 0.8V. Low supply current makes the CXDR75122/CXDR75123 ideal for use in portable equipment. The CXDR75122/CXDR75123 are available in 5-pin SOT-23-5 and 6 pin TDFN2X2 packages.

CXDR75122 CXDR75123 These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, with hysteresis keeping it asserted for time
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1.产品概述       2.产品特点     l87嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)l87嘉泰姆

5.产品封装       6.电路原理图  l87嘉泰姆

7.相关产品l87嘉泰姆

   产品概述 返回TOPl87嘉泰姆


The CXDR75122/CXDR75123 are microprocessor (μP) supervisory circuits used to monitor the power supplies in μP and digital systems. They provide excellent circuit reliability and low cost and adjustments when used with +2.5V, +3.0V powered circuits. These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, with hysteresis keeping it asserted for time delay determined by externally programmable time delay generator after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The CXDR75123L has an open-drain output stage, while the CXDR75122 have push-pull outputs. The CXDR75123’s open-drain RESET output requires a pull-up resistor that can be connected to a voltage higher than VCC. The CXDR75122 have an active-low RESET output, while the CXDR75122 has an active-high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 0.8V. Low supply current makes the CXDR75122/CXDR75123 ideal for use in portable equipment. The CXDR75122/CXDR75123 are available in 5-pin SOT-23-5 and 6 pin TDFN2X2 packages.

   产品特点 返回TOPl87嘉泰姆


„ Precision Monitoring of +2.5V and +3V Power-Supply Voltages l87嘉泰姆

„ Fully Specified Over Temperature l87嘉泰姆

„ Available in Three Output Configurations Push-Pull RESET Output (CXDR75122L) Push-Pull RESET Output (CXDR75122H) Open-Drain RESET Output (CXDR75123L) l87嘉泰姆

„ Externally Programmable Time Delay Generator l87嘉泰姆

„ 14μA Supply Current l87嘉泰姆

„ Guaranteed Reset Valid to VCC = 0.8V l87嘉泰姆

„ Power Supply Transient Immunity l87嘉泰姆

„ 5 pin SOT-23-5 and 6 pin TDFN2X2 Packages l87嘉泰姆

„ 2% Threshold Accuracyl87嘉泰姆

   应用范围 返回TOPl87嘉泰姆


„ Computers l87嘉泰姆

„ Controllers l87嘉泰姆

„ Intelligent Instruments l87嘉泰姆

„ Critical μP and μC Power Monitoring l87嘉泰姆

„ Portable / Battery-Powered Equipment l87嘉泰姆

„ Automotivel87嘉泰姆

   技术规格书(产品PDF) 返回TOP l87嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持l87嘉泰姆

 QQ截图20160419174301.jpgl87嘉泰姆

产品封装图 返回TOPl87嘉泰姆


image.pngl87嘉泰姆

电路原理图 返回TOPl87嘉泰姆


 l87嘉泰姆

image.png

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Delay   Time Adjustablel87嘉泰姆

Part   NO.l87嘉泰姆

VCC(Vl87嘉泰姆

min.l87嘉泰姆

VCC(Vl87嘉泰姆

max.l87嘉泰姆

Detecting Voltage(V)l87嘉泰姆

ICD l87嘉泰姆

source l87嘉泰姆

(μA)l87嘉泰姆

VTCDl87嘉泰姆

(V)l87嘉泰姆

Vth l87嘉泰姆

Accul87嘉泰姆

racy(%)l87嘉泰姆

Isupply (μA)l87嘉泰姆

Notel87嘉泰姆

Packagel87嘉泰姆

CXDR75119l87嘉泰姆

2.2l87嘉泰姆

5.5l87嘉泰姆

0.8*VCCl87嘉泰姆

1.1l87嘉泰姆

0.833l87嘉泰姆

--l87嘉泰姆

4l87嘉泰姆

Open-Drain RESET Output TMR(ms)l87嘉泰姆

=76000×CMR(uF)l87嘉泰姆

ADFN1.5Xl87嘉泰姆

1.5-6l87嘉泰姆

CXDR75120l87嘉泰姆

/1l87嘉泰姆

0.8l87嘉泰姆

5.5l87嘉泰姆

2.2/3.7l87嘉泰姆

0.18l87嘉泰姆

--l87嘉泰姆

2l87嘉泰姆

29l87嘉泰姆

CXDR75120H/L is a Push-Pull High/Low l87嘉泰姆

Reset CXDR75121L is an Open-Drain Low  Reset TCD(ms)=5700×CD(uF)l87嘉泰姆

TSOT25l87嘉泰姆

CXDR75122l87嘉泰姆

/3l87嘉泰姆

0.8l87嘉泰姆

5.5l87嘉泰姆

2.0/2.2/2.4l87嘉泰姆

0.09l87嘉泰姆

0.5l87嘉泰姆

2l87嘉泰姆

35l87嘉泰姆

CXDR75122H/L is a Push-Pull High/Low l87嘉泰姆

Reset CXDR75123L is an Open-Drain Low Reset TCD(ms)=6740×CD(uF)l87嘉泰姆

SOT25l87嘉泰姆

TDFN2X2-6l87嘉泰姆

CXDR75124l87嘉泰姆

/5l87嘉泰姆

1l87嘉泰姆

5.5l87嘉泰姆

2.6/2.9/3.1l87嘉泰姆

3.3/3.9/4.34.6l87嘉泰姆

0.67l87嘉泰姆

1.25l87嘉泰姆

2l87嘉泰姆

14l87嘉泰姆

CXDR75124L is a Push-Pull LowReset l87嘉泰姆

CXDR75125L is an Open-Drain Low l87嘉泰姆

Reset TCD(ms)=1860×CD(uF)TMR(ms)l87嘉泰姆

=88000×CMR(uF) l87嘉泰姆

SOT26 l87嘉泰姆

ADFN1.5Xl87嘉泰姆

1.5-6l87嘉泰姆

CXDR75126l87嘉泰姆

/7l87嘉泰姆

2.7l87嘉泰姆

5.5l87嘉泰姆

Individual l87嘉泰姆

Set by l87嘉泰姆

Resistorl87嘉泰姆

--l87嘉泰姆

0.788l87嘉泰姆

2l87嘉泰姆

12l87嘉泰姆

CXDR75126H/L is a Push-Pull High/Low l87嘉泰姆

Reset CXDR75127L is an Open-Drain Low Reset TCD(ms)=2700×CD(uF)l87嘉泰姆

SOT25l87嘉泰姆

SC70-5l87嘉泰姆

DFN1.6X1.6-6l87嘉泰姆

ADFN1.5X1.5-6l87嘉泰姆

CXDR75128l87嘉泰姆

/9l87嘉泰姆

0.8l87嘉泰姆

5.5l87嘉泰姆

2.5/2.6/2.93.1/3.3/4.04.3/4.6l87嘉泰姆

0.88l87嘉泰姆

1.25l87嘉泰姆

2l87嘉泰姆

14l87嘉泰姆

CXDR75128H/L is a Push-Pull High/Low l87嘉泰姆

Reset CXDR75129L is an Open-Drain Low Reset TCD(ms)=1685×CD(uF)l87嘉泰姆

SOT25l87嘉泰姆

TSOT23-5l87嘉泰姆

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