MP2153GTF-Z

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active

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MP2153GTF-Z is an efficient high frequency synchronous DC/DC buck converter that operates from an input voltage of 4.5V to 28V. It is capable of supplying up to 4.5A of output current with excellent line and load regulation characteristics. The output voltage of the converter is adjustable from 0.8V to 16V. The MP2153GTF-Z provides superior performance in a small QFN-28 3x3mm package making it suitable for space-constrained designs.The MP2153GTF-Z offers a wide range of features that make this DC/DC converter an excellent choice for applications requiring regulated output voltage with high efficiency. It includes internal MOSFETs capable of operating up to 98% efficiency and a switching frequency of 1MHz. It also features an adjustable soft start to reduce inrush current during power-up, overvoltage protection and current limit protection functions. This combination of features makes the MP2153GTF-Z the ideal solution for applications requiring high efficiency, high power density and flexibility to meet varying requirements.The MP2153GTF-Z is suitable for a wide range of DC/DC applications including handheld devices, multimedia and industrial equipment, automotive electronics, and embedded systems. Its small size, high efficiency, high power density and wide input voltage range make it ideal for a variety of applications.The main principle of operation of the MP2153GTF-Z is synchronous rectification, where the output is regulated by a series of steps in a PWM control loop, including high side switch and low side switch. Both high-side and low-side N-channel MOSFETs are controlled in a synchronous configuration, so that both switches turn on and off at the same time. The output voltage of the converter is regulated by introducing a sense voltage, from the output being measured, into the internal control loop. The control loop senses the difference between the output voltage and the voltage set-point. A feedback loop interprets this voltage difference and adjusts the duty cycle accordingly to regulate the output voltage.The MP2153GTF-Z also includes a number of integrated features for enhanced system protection such as adjustable soft start, short-circuit protection, overvoltage protection and current limit protection. The adjustable soft start circuitry reduces inrush current at start up by reducing the voltage output gradually. The current limit protection feature prevents damage from excessive current output by limiting the maximum controlled current. Overvoltage protection enables the device to detect any output voltage which is beyond the maximum set-point and shuts it down. The MP2153GTF-Z also includes pulse by pulse current limit and thermal shutdown protection to protect against inrush and overload currents.Overall, the MP2153GTF-Z is an efficient and reliable DC/DC synchronous step-down converter designed for a wide range of applications that require high efficiency, high power density, and flexibility to meet varying requirements. Its small size, wide input voltage range, and protection features make it the ideal solution for a variety of applications.

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