MP5403GQBU-Z

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The MP5403GQBU-Z is a small form factor DC-DC Buck switching voltage converter which is specifically designed for high frequency, small size and low power applications. The converter features a wide input voltage range of 4.5V to 20V and an adjustable output voltage range up to 17V.

The MP5403GQBU-Z is a synchronous buck regulator optimized for low output noise and high current capability. The internal synchronous rectifier has excellent efficiency over a wide range of switching frequencies and load conditions. The combination of excellent efficiency and high thermal performance makes the MP5403GQBU-Z an ideal choice for advanced designs requiring extended life, smaller size and low power.

The MP5403GQBU-Z is designed to provide high efficient and regulated output voltage from a wide range of input voltages. The unit uses a simple two-stage topology, consisting of a high DC current power MOSFET, current mode control and a feedback loop. As a result, it provides excellent line and load regulation, as well as fast transient response. The device is designed for a fixed-frequency switching current of 300 kHz, and an internal voltage feedback loop to ensure accurate and stable output voltage. The output current is adjustable via an internal current limit control.

The MP5403GQBU-Z includes a wide array of protection features. Its built-in thermal shutdown helps to prevent damage due to extreme over-temperature conditions. The device also supports an over-current limit control, which guards against undesired overload conditions. Other protective features include over-voltage, under-voltage, and short-circuit protection.

The MP5403GQBU-Z is a perfect solution for a variety of applications such as LED lighting, LCD panels, laptop adapter, network equipment, servers, consumer audio products and more. Its small size, low-power operation and high efficiency make it an ideal choice for applications that require reliable performance in a small package.

In conclusion, the MP5403GQBU-Z is a high-efficiency buck switching voltage converter specifically designed for high-frequency and low-power applications. Its wide input voltage range and adjustable output voltage range make it an ideal choice for advanced designs requiring extended life, smaller size and low power. It is suitable for a variety of applications such as LED lighting, LCD panels, laptop adapters, network equipment, servers, consumer audio products and more.

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