LMR14020SQDPRRQ1

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The LMR14020SQDPRRQ1 is a monolithic integrated step-down DC-DC converter designed specifically for high power applications requiring up to 2 A of continuous load current. Packaged in an 8-pin TSOP (Thin Small Outline Package), the LMR14020SQDPRRQ1 is a space-saving solution ideal for telecommunications, automotive and industrial applications.

DC-DC converters are used to convert one DC voltage to another, either lower or higher, depending on the application. The LMR14020SQDPRRQ1 is a step-down DC-DC converter that converts an input voltage of up to 24V to a lower, regulated output voltage. It can deliver up to 2A of continuous current with a switch-off current of 25mA, making it suitable for high power applications.

The LMR14020SQDPRRQ1 is designed to provide a high efficiency conversion. It has a PFM (pulse frequency modulation) control with a wide input voltage range and adjustable output voltage. It features internal designed compensation and soft-start, allowing it to achieve high efficiency at low output power. It also has integrated protection features, including over current protection and over temperature protection, to protect the device against short circuits and overloads.

The main application field of the LMR14020SQDPRRQ1 is in automotive systems, where it can be used to provide a regulated output voltage and power. It is also suitable for industrial equipment, such as switch-mode power supplies, battery-powered systems, motor drives, and other high power applications. Additionally, it can be used in telecommunication systems, where it can be used to generate a power supply for the controlling chip.

The LMR14020SQDPRRQ1 is based on an innovative topology that combines an internal power MOSFET and a current mode PFM control for high efficiency and high power in a small, low-Hamming-profile package. A high speed MOSFET switch is used to control the input voltage and regulate the output voltage. The circuit switches between two operation states: a power-saving mode (PSM) and a pulse-width-modulation (PWM) mode. In the PSM mode, the peak switch current is limited, allowing for low power dissipation and high efficiency. When the load current increases, the device transitions to the PWM mode, which allows for higher peak currents and higher power delivery. This enables the device to maintain high efficiency at low and high loads.

The LMR14020SQDPRRQ1 is designed to provide high efficiency and high power in a small package. It is ideal for high power applications requiring up to 2A of continuous load current, such as automotive systems, switch-mode power supplies, and battery-powered systems. Its unique topology and integrated protection features make it an attractive solution for a wide range of DC-DC converter applications.

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