LM2825N-5.0/NOPB

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LM2825N-5.0/NOPB is a High Efficiency 5V Step-Down DC-DC switching regulator from Texas Instruments. This regulator combines a power MOSFET and controller into a small package and generates up to 0.8A of output current while providing a maximum efficiency of 93%. This versatile regulator is designed with a wide 4.5V to 20V input voltage range and is ideal for powering microprocessors, FPGAs, ASICs, memory and mixed-mode circuits.

The application field of LM2825N-5.0/NOPB is mainly in low-noise, high-efficiency, low-input, high-current application. Suitable for converters with relatively small load that require high current, such as FPGAs, ASICs, SMPS and memory devices. Additionally, this regulator can be used for A/D converters, low-frequency converters, high-frequency video switchers, low-pi converters, cameras, and portable solar-powered applications. It is also suitable for replacement applications where improved efficiency, higher accuracy and lower noise are essential.

LM2825N-5.0/NOPB work on the principle of pulse width modulation (PWM). It works by providing a regulated DC voltage output by automatically switching between fully on and off states at rates determined by user-programmed frequency and duty cycle. The input voltage is routed through an internal MOSFET which is periodically switched on and off in order to control the output voltage maintained by the output capacitor and resistors. The switching action is controlled by a dedicated internal Pulse Width Modulation (PWM) controller, which works by comparing the voltage at the feedback pin with a reference voltage and produces a control signal for the MOSFET.

The LM2825N-5.0/NOPB has inbuilt protection functions, such as short circuit protection, over voltage protection, overtemperature protection and under voltage lockout, ensuring stable and reliable operation within specified conditions. The output can be adjusted externally using an external resistor divider, allowing preset voltage output during load transients and light loads.

In summary, LM2825N-5.0/NOPB is a high efficiency step-down DC-DC switching regulator with a wide input voltage range and many built-in protection functions. It is an ideal solution for low-noise, high-efficiency, low-input, high-current applications.

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