LM20145QMH/NOPB

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The LM20145QMH/NOPB is an integrated DC-DC converter designed to offer high efficiency while operating over a wide input voltage range. It features a high current step-down buck regulator with integrated high and low-side MOSFETs to minimize external components. The LM20145QMH/NOPB operates at a constant frequency up to 4 MHz and can be set with a single resistor. It supports input voltages from 2.3 V to 20 V, allowing for operation in a wide range of system applications such as telecom, automotive and industrial. Furthermore, the LM20145QMH/NOPB includes an advanced monotonic soft-start, load regulation, power-good signal, internal compensation, over-voltage and current limit protection, making it suitable for many different applications.

The LM20145QMH/NOPB step-down DC-DC converter is an ideal solution for systems where a high input voltage is efficiently reduced to a lower voltage with minimal noise. This is achieved by using a voltage regulator to regulate a certain output voltage by using a feedback loop. At its core, the LM20145QMH/NOPB uses a high-performance buck controller and integrated high-side and low-side MOSFETs. The buck controller provides efficient and accurate control over the output voltage, and the integrated MOSFETs reduce the need for external components. The LM20145QMH/NOPB has a constant frequency of up to 4MHz and can be set with a single external resistor. This gains the advantage of minimising board space and overall cost.

In addition, the LM20145QMH/NOPB includes internal protection features such as over-voltage protection, current limit protection, and a power-good indicator. The power-good signal is an active-high output that goes low for two reasons, either when the output voltage is below its set voltage, or when the current limit has been exceeded. The over-voltage protection is designed to protect the LM20145QMH/NOPB from output voltages exceeding 20 V. The current limit protection prevents the possibility of overloads that could damage the device. These features ensure the safe operation of the device in a wide range of applications.

The LM20145QMH/NOPB’s high efficiency and integrated features make it ideal for applications such as automotive, industrial, and telecom. It is designed to be used as a single-chip solution for DC-DC conversion, allowing for a cost effective, highly efficient and reliable design. Its high input voltage range, wide switching frequency range and integrated MOSFETs make it a suitable choice for applications requiring high current conversions from a wide range of sources and power levels.

In conclusion, the LM20145QMH/NOPB is an integrated step-down DC-DC converter designed to offer high efficiency while operating over a wide input voltage range. It features a high current buck controller with integrated high and low-side MOSFETs to minimize external components. The LM20145QMH/NOPB is suitable for many different applications due to its advanced features such as monotonic soft-start, load regulation, power-good signal, internal compensation, over-voltage and current limit protection, as well as its wide input voltage range, high-current capability, and low component count. It is ideal for applications such as automotive, industrial, and telecom.

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