MIC94310-NYMT-TR

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The MIC94310-NYMT-TR is a high-performance step-down integrated linear voltage regulator which can provide ideal combination of performance, size, affordability and power savings for low power applications (because its quiescent current is only 5.5mA). It can provide output current up to 800mA and output voltage from 1V to 40V. The MIC94310 has internal protection circuits such as thermal shutdown, output current limitation and input overvoltage protection. Furthermore, it also has adjustable soft-start, output voltage trim, enable, and SYNC input pins for additional definition. All of these functions provide better user control and greater efficiency. The MIC94310-NYMT-TR can be used in a variety of applications. It is suitable for portable applications such as professional cameras, PDA/smart phones, embedded computers and medical equipment. Additionally, it can be utilized in industrial applications such as control systems, machine tools and automation systems. The MIC94310-NYMT-TR is designed to support 10V to 40V input voltages, allow the user to set the voltage output spans, provide high current output up to 800mA, offer a high PSRR performance, and maintain the superior output current regulation performance in the process of load change.The working principle of the MIC94310-NYMT-TR can be described in three stages. In the first stage, a PWM (Pulse-Width Modulation) control technique is used to regulate the voltage output in response to the changing load. The PWM feedback signal is sent to the controller to adjust the output voltage according to the changing conditions. In the second stage, an Adaptive Frequency Pulse-Width Modulation (APFM) control method is utilized which further provides higher performance levels. This adaptive frequency technique is supported by a proprietary synchronous rectification algorithm which adjusts the on-time and off-time of the switch to get the desired regulated voltage. Finally, the voltage output is controlled by an integrated Voltage Reference. The output voltage is regulated according to the voltage reference to provide a stable and accurate regulated output.In conclusion, the MIC94310-NYMT-TR is a high-performance integrated linear voltage regulator which is ideal for low power applications. It has a wide input voltage range, can provid high current load, and offers excellent PSRR performance. Furthermore, it has several protection functions to ensure safety. Lastly, it utilizes APFM control as well as integrated voltage reference to regulate the voltage output.

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