LM1771SMM/NOPB Integrated Circuits (ICs)

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LM1771SMM/NOPB is a high voltage and high current DC-DC Switching Controller designed for use in power converters. It is suitable for use in applications such as mobile power supplies and DC-DC converters.

The LM1771SMM/NOPB is a voltage regulator with a wide input voltage range of up to 26V and an adjustable output voltage range of up to 6V. It is capable of driving large loads with either a buck or boost design. It can also be used to invert DC-DC converter output and supply an isolated output.

The LM1771SMM/NOPB has a number of features that make it an ideal choice for use in a variety of DC-DC switch mode power supply designs. It has an integrated high side MOSFET driver which allows for higher conversion efficiency and improved thermal management. It also features integrated control logic, frequency compensation and soft start, which helps to optimize circuit performance. Additionally, it features frequency foldback, over temperature, and open loop protection.

The LM1771SMM/NOPB operates by using a low side MOSFET and an isolated high side MOSFET in a buck or boost converter. The converter switches between these two, depending on whether it is in the boost or buck configuration. The outputs of the LM1771SMM/NOPB are synchronized to guarantee a synchronous switching transition. This ensures a low EMI, high efficiency, and a stable output voltage.

The LM1771SMM/NOPB features a highly configurable control logic. It is capable of operating in either a continuous or discontinuous conduction operation (CCM or DCM) allowing for optimized operation for different loads. The frequency of operation is also adjustable, allowing for design flexibility to achieve the desired power output.

The LM1771SMM/NOPB has a number of additional features that make it a great choice for power converters. It comes with an integrated temperature monitoring and over-temperature protection circuit. This helps to ensure safe and reliable operation. Additionally, the LM1771SMM/NOPB has an integrated pull-low head switch, and can be powered directly from a VDD pin to reduce the cost of the system.

The LM1771SMM/NOPB is a great choice for use in power converters. It is a highly configurable, high performing DC-DC Switching Controller that is well suited for a wide range of applications. It offers robust features such as synchronized output, integrated temperature monitoring, over-temperature protection and pull-low head switch. This makes the LM1771SMM/NOPB a great option for power supplies, DC-DC converters, and other power electronics applications.

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