LM5027MHX-1/NOPB

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The LM5027MHX-1/NOPB is an adjustable regulator presented by Texas Instruments with a high-efficiency, high-load current switch mode. This application field and working principle is based on a synchronous buck converter and is perfect for providing supply in applications such as Computer & Storage Systems, Industrial & Automation Systems and Medical Systems.

The LM5027MHX-1/NOPB consists of a low-side and a high-side power MOSFET connected in series with a single inductor for regulating the current to the output. The inductor is energized when the voltage at the load is less than the setpoint voltage, which is determined by the reference voltage and a resistor divider. The PWM controller controls the voltage at the power supply side by modulating the output current. When the voltage at the load increases to the setpoint voltage, the inductor stops supplying the current, thus saving power and providing an efficient system.

The primary purpose of this regulator is to maintain the output voltage of the power supply at a higher level than the input voltage, thus allowing the circuit to provide the required amount of power to the load. It is also used to protect the power supply from short-circuit and over-voltage conditions. The device comes with a user-adjustable hysteretic control scheme, which helps the supply maintain the correct output voltage level. The device also features over-current protection, thermal overload protection and a soft start circuit, which helps prevent large current surges when the power supply is first powered on.

The LM5027MHX-1/NOPB is a highly efficient DC/DC switching controller that uses synchronous rectification technology to deliver superior performance. The device operates at a hysteretic mode, meaning that the output voltage is regulated to a “window” of values above the reference voltage. The controller operates in a synchronous buck mode, in which the output voltage is proportional to the input voltage and is set by the resistance values of a divider network connected to the device\'s VREF terminal.

The LM5027MHX-1/NOPB is also equipped with a range of advanced protection and control features including over/under voltage, over-temperature and over-current protection. Additionally, it has an adjustable soft-start function ensuring a gradual increase of output voltage during start-up. This integrated circuit can accommodate input voltage between 3V to 12V and the adjustable output voltage is between 0.63V and 8V. The device has an integrated PFM/PWM switching mode with a switching frequency range between 4kHz to 16kHz and is ideal for applications that require low-noise and efficient power supply solutions.

The LM5027MHX-1/NOPB comes with a wide range of features that make it a great choice for power supply designs requiring low-noise and efficient output voltage regulation. Its high-efficiency switching mode and adjustable hysteretic control ensure accurate, stable power delivery. In addition, the device comes with a wide range of integrated protection and control features and can accommodate a wide range of input and output voltages. The device is an ideal choice for powering computer, industrial and medical systems applications requiring reliable, stable and cost-effective power solutions.

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