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欠压检测电路 UNDERVOLTAGE SENSING CIRCUIT

The MC33064/ is an undervoltage sensing circuit specifically designed for use as a reset controller in microprocessor-based systems. It offers the designer an economical solution for low voltagedetection with a single external resistor. The MC33064/MC34064 features a trimmed-in-package bandgap reference, and a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation. The open collector reset output is capable of sinking in excess of 10 mA, and operation is guaranteed down to 1.0 V input with low standby current. The MC devices are packaged in 3-pinTO-226AA, 8-pin SO-8,Micro-8 and 5pin SOT-23/TSOP-5 surface mount packages. The NCV device is packaged in SO-8 and TO-226AA. Applications include direct monitoring of the 5.0 V MPU/logic power supply used in appliance, automotive, consumer and industrial equipment.

Features

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Trimmed-In-Package Temperature Compensated Reference
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Comparator Threshold of 4.6 V at 25° C
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Precise Comparator Thresholds Guaranteed Over Temperature
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Comparator Hysteresis Prevents Erratic Reset
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Reset Output Capable of Sinking in Excess of 10 mA
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Internal Clamp Diode for Discharging Delay Capacitor
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Guaranteed Reset Operation with 1.0 V Input
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Low Standby Current
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Economical TO-226AA, SO-8, Micro-8 and SOT-23/TSOP-5 Surface Mount Packages
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Pb-Free Packages are Available
MC34064中文资料参数规格
符合标准

RoHS标准 RoHS Compliant

MC34064引脚图与封装图
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