LM25576Q0MH/NOPB

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The LM25576Q0MH/NOPB is a high-performance synchronous buck switching regulator converter. Its core strength lies in its significantly enhanced power performance, featuring a high efficiency of 92.5% and low quiescent current of 125μA. It also features synchronous rectification and low-bias operation capabilities, as well as surge and soft-start capabilities.

The main application fields of the LM25576Q0MH/NOPB switching regulator include but not limited to industrial control systems, battery-powered applications, digital audio and video equipment, computer peripheral products and consumer electronic devices. It is particularly suitable for wide-input operating voltages, such as 12V, 24V and 36V DC-DC conversions. It offers a wide output current range up to 5A and output voltage range from 0.5V ~ 80V with a step-down function.

The working principle of this switching regulator is based on a pulse-width modulation (PWM) topology. In order to convert AC current from the input voltage to the desired DC output voltage, the power input from the input source is converted into a series of pulses, which then regulates the average DC level. The driver module of the LM25576Q0MH/NOPB takes the PWM control pulses coming from the external control circuit and translates them into switching pulses to drive two power MOSFETs, which either opens or closes depending on the logic state of the PWM pulse. When the upper MOSFET is closed and the lower MOSFET is opened, the energy stored in the inductor is converted into the DC output voltage.

The LM25576Q0MH/NOPB is also designed with the integration of over-temperature, over-voltage, undervoltage and over-current protections. It offers a wide temperature range from -40°C to 125°C, wide input voltage range from 4.5V to 80V, fast transient response and short propagation delays. Its low profile, wide voltage range and low external component count makes it highly desirable in many applications.

In summary, the LM25576Q0MH/NOPB switching regulator is a reliable and highly efficient high-power voltage regulator. Its wide input voltage range and low operating current makes it suitable for a variety of applications. It combines both PWM control and synchronous rectification technologies to ensure more reliable power performance. Its integration of manifold protections and its ability to work with wide temperature ranges makes it a safe and reliable product for many different fields and applications.

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