MIC2251-1YD5-TR

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The MIC2251-1YD5-TR is a high-performance DC/DC synchronous rectifier buck converter from the family of DC/DC Pulse Width Modulation (PWM) switching regulator controllers designed and manufactured by Microchip Technology. The MIC2251 offers a wide range of features that enable the design of highly efficient, cost-effective switching regulators for various applications such as notebooks, tablets, gaming consoles, etc.

The synchronous rectifier buck converter employs MOSFETs in a single package, making it a cost-effective solution for high current applications. The MIC2251 is also designed to produce a higher efficiency and a higher output current capability than other switching regulator controllers. The MIC2251-1YD5-TR supports integrated low-gate-charge MOSFETs and surface-mount dual-gate MOSFETs to reduce the component count and facilitate ease of design.

The MIC2251-1YD5-TR DC/DC synchronous rectifier buck converter is an ideal solution for power-sensitive applications (such as notebooks, tablets and handheld gaming systems). It offers a wide input voltage range, high efficiency, low output ripple and low power consumption. The converter also provides a wide output voltage range, allowing it to be used in applications that require higher output voltage. The difference between the input and output voltages is minimized, reducing power losses and increasing efficiency. The integrated over-voltage, over-current and over-temperature protection features ensure system reliability.

The MIC2251-1YD5-TR DC/DC synchronous rectifier buck converter can be used in any system that requires a high-performance, energy-efficient DC/DC solution. It is an ideal solution for applications where power savings, efficiency and reliability are critical factors. The integrated features of the MIC2251 make it an excellent choice for system designers.

Working Principle

The working principle of the MIC2251-1YD5-TR is based on a synchronous rectifier PWM control scheme. This scheme employs two MOSFETs (one high-side and one low-side) to continuously switch the current between the input and the output of the converter, providing a regulated output voltage. The MIC2251-1YD5-TR implements a regulated voltage mode control loop to maintain a constant output voltage, regardless of the input voltage or output load. The current-mode control architecture of the MIC2251-1YD5-TR allows the system to reach efficiencies of over 95%.

The MIC2251-1YD5-TR also features a wide input voltage range that allows the converter to be used in applications where the input voltage is not a constant. This feature enables the converter to be used in applications that require the input voltage to be ranging from 3.7V up to 27V. The MIC2251-1YD5-TR also includes several protection features that help to ensure the reliability of the converter. These protection features include: over-voltage protection, over-temperature protection, over-current protection, and short-circuit protection.

Application Field

The MIC2251-1YD5-TR DC/DC synchronous rectifier buck converter is an ideal solution for a variety of applications, such as notebooks, tablets, portable gaming systems and other power-sensitive applications. With its wide input voltage range and high efficiency, the MIC2251-1YD5-TR can provide a reliable and cost-effective power source for a variety of devices. The MIC2251-1YD5-TR is also suitable for high-current and high-power applications, where its low power consumption, low output ripple and high efficiency make it an ideal choice for designers.

The MIC2251-1YD5-TR also offers a wide variety of built-in features that make it an ideal solution for system designers. These features include protection from over-voltage, over-current, over-temperature and short-circuit protection. The MIC2251-1YD5-TR also supports MOSFETs in a single package, making it a cost-effective solution for high current applications.

The MIC2251-1YD5-TR DC/DC synchronous rectifier buck converter offers a wide range of features and benefits, making it an ideal choice for designers who need an efficient and reliable power source. The integrated features of the converter make it an excellent choice for applications where cost, efficiency and reliability are critical factors. With its wide input voltage range, low output ripple, low power consumption and high efficiency, the MIC2251-1YD5-TR is an ideal choice for designers seeking a high performance DC/DC solution.

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