MIC68400-1.8YML-TR

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MIC68400-1.8YML-TR - Application Field and Working Principle

The MIC68400-1.8YML-TR series of voltage regulators is a low-dropout, linear voltage regulator designed primarily for use in automotive applications. It is specifically designed for supply and port protection, with an operating voltage range of 12V to 34V, and an output current capability of 1.8A.

The MIC68400-1.8YML-TR series operates from 8V to 34V input and provides a regulated output, typically 1.8V. It features a low noise voltage, high output current capability, and wide input voltage range. The MIC68400-1.8YML-TR series has an adjustable output voltage, allowing for easy adjustment for the specific application.

Working Principle

The MIC68400-1.8YML-TR series is a linear regulator and uses a more traditional approach to achieve its regulation. Rather than switching transistors, this voltage regulator utilizes an error amplifier to regulate its output voltage. The error amplifier compares the reference voltage on its reference pin with the output voltage. If these two voltages begin to drift, the error amplifier will cause the output transistor to become more or less conductive in order to adjust the output voltage and keep it as close to the desired set point as possible.

When the error amplifier senses a difference between the reference voltage and the output voltage, it adjusts the control input to the output transistor, which results in an adjustment of the current through the pass element. This adjustment in the current, in turn, adjusts the output voltage to the desired set point. This principle works in conjunction with the feedback loop to keep the output voltage as close as possible to the desired reference voltage.

Applications

The MIC68400 series of voltage regulators is suitable for a variety of automotive and industrial applications including:

• Automotive electronics
• Power management
• Battery charging and management
• Intelligent power systems and distributed power
• Heat and pressure management
• Heat profiling and thermal management
• Sensors and actuators

The MIC68400 series of voltage regulators is also suitable for a variety of consumer and commercial applications including:

• Networking and telecom
• Uninterruptible power supply
• White goods
• Industrial and agricultural control systems
• Instrumentation and measurement
• Medical equipment
• Computer and peripheral equipment

Because of its low-dropout feature, the MIC68400-1.8YML-TR series is well-suited for many power management applications where an input voltage is always higher than the desired output voltage. The low-dropout feature also helps to ensure that the output voltage remains regulated and stable, even with large input voltage fluctuations.

The MIC68400-1.8YML-TR series is also well-suited for automotive applications, as it can handle a wide range of input voltages, has high-current capability, and is integrated with ESD protection. This means that the MIC68400-1.8YML-TR is well-suited for use in distributed power applications, where the high-current load and wide input voltage range can be managed with a single solution.

Conclusion

The MIC68400-1.8YML-TR series of voltage regulators is a low-dropout, linear voltage regulator designed primarily for use in automotive applications. It is specifically designed for supply and port protection, with an operating voltage range of 12V to 34V, and an output current capability of 1.8A. It is suitable for a variety of automotive and industrial applications, as well as consumer and commercial applications such as networking and telecom, instrumentation, and medical equipment. This voltage regulator\'s low-dropout feature helps to ensure that the output voltage remains regulated and stable, even with large input voltage fluctuations.

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