MIC2178-5.0BWM-TR

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The MIC2178-5.0BWM-TR is a fixed frequency, high efficiency synchronous rectangular step-down regulator device. This regulator is designed to operate at high input voltage levels and is capable of providing an output voltage as low as 0.6 V. Its low power losses make it ideal for use in energy-efficient mobile applications. It has a switching frequency of 5MHz, allowing the device to operate at higher efficiency than many other switching regulators. The MIC2178-5.0BWM-TR also has many other features, such as adjustable soft-start, adjustable output current limit, overvoltage protection, and low quiescent current. It also has a power enable/disable control that can be used for power saving. The device is available in a thermally enhanced TSOP-6 package.

Application Field

The MIC2178-5.0BWM-TR can be used in a wide range of applications, including LED lighting, digital communication systems, portable electronic devices, battery powered systems, and many others. In LED lighting, the device can be used to provide a constant current for powering LED modules. It can also be used to provide a low voltage, highly accurate output for powering sensitive electronic components. In digital communication systems, such as mobile phones, the device can be used to regulate the input voltage and provide a stable output voltage for the different components. In portable electronic devices, such as PDAs or digital cameras, the device can help conserve battery power by regulating the input current, while still providing a stable output voltage. Finally, the device can be used in battery powered systems, such as medical devices, where a low output voltage is required while still providing high efficiency.

Working Principle

The MIC2178-5.0BWM-TR is a synchronous rectangular step-down regulator. It works by converting an input voltage of up to 5.5 V to an output voltage of as low as 0.6 V. The device has an internal high-side power MOSFET that acts as an electronic switch, turning on and off at a determined frequency. When the switch is turned on, a magnetic field is created which induces a current in the inductor. This current is then passed through a rectifier and filter network, which provides the regulated output voltage. The device is also equipped with a feedback loop that monitors and keeps the output voltage constant. Finally, when the switch is turned off, the inductor acts as a brake, dissipating any remaining energy in the form of heat.

Conclusion

The MIC2178-5.0BWM-TR is a fixed frequency, high efficiency synchronous rectangular step-down regulator device. It is capable of providing an output voltage as low as 0.6 V and has many other features, such as adjustable soft-start, adjustable output current limit, overvoltage protection, and low quiescent current. This device can be used in a wide range of application, including LED lighting, digital communication systems, portable electronic devices, and battery powered systems. The device uses a synchronous rectifier topology, converting an input voltage of up to 5.5 V to an output voltage of as low as 0.6 V. It has an internal high-side power MOSFET that acts as an electronic switch, turning on and off at a determined frequency, making it an ideal choice for energy-efficient applications.

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