MIC809LUY-TR Integrated Circuits (ICs)

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The MIC809LUY-TR is a high precision voltage supervisor intended for power supply sequencing and monitoring in applications, such as computing, telecommunications, and networking systems. This Power Management Integrated Circuit (PMIC) offers precision voltage detection and overvoltage or undervoltage protection as well as frequency shift modes of usage. It features a 3.2V to 6.0V operating power supply range, 1.3ms typical response time, a 200mA source-ink capability, and an 8-pin small-outline integrated circuit (SOIC) or 8-pin dual in-line package (DIP).

The MIC809LUY-TR belongs to the category of PMICs known as Supervisors. It is the most commonly used type of PMIC in electronic systems, and includes many application-specific functionalities. Its main function is to \'supervise\' the operation of the system, providing monitoring and protection from faults, as well as providing microcontroller power-on reset signals. Supervisors can also be used for voltage and frequency monitoring, voltage level detection and system reset generation.

The MIC809LUY-TR provides precision voltage detection, and overvoltage or undervoltage protection for digital circuits. It actively monitors the power supply conditions and can respond quickly to the changes in the power supply voltage by driving the appropriate output level. It applies an external voltage reference, known as V REF, used to set the window of operation. During normal operation, the window is configured to have the same value as V REF. When the voltage falls outside of this range, the MIC809LUY-TR will respond by driving its output pin to a specific state. This output signal is typically used to reset the microcontroller.

The MIC809LUY-TR is designed for applications requiring an extremely accurate voltage detection threshold in order to protect circuitry from power supply short circuits and sudden voltage dips. It allows for different output levels to be assigned to different over/undervoltage situations. The device also has a frequency shift option which prevents false detection of voltage level changes during electro-magnetic interference (EMI).

The MIC809LUY-TR has a current rating of 200mA and comes in an 8-pin package. It features low quiescent current of 10μA and low operating voltage range of 3.5V to 6 V. Its 1.3 ms typical response time allows it to react quickly to change while its accuracy and power factor performance allows it to be used as a low-cost, low-power voltage supervisor in any electronic system. Additionally, the device is equipped with many versatile protection functions including overvoltage, undervoltage, thermal shutdown and active brown-out detection.

The MIC809LUY-TR is a voltage supervisor designed for applications such as microprocessor power supply sequencing and monitoring. It provides flexibility and accuracy for fault detection and protection by driving the appropriate output level, when the voltage falls beyond predefined thresholds. This device is capable of protecting circuitry from short circuited and sudden voltage dips and has a variety of other protection functions. Its low quiescent current, low operating voltage range and its frequency shift feature, accurately and quickly detects over/undervoltage situations within applicable applications.

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