LM2798MM-1.5/NOPB

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The LM2798MM-1.5/NOPB is a high-efficiency, low-cost DC-DC switching regulator designed for use in portable, battery-powered devices. It is an ideal choice for automotive applications.

The LM2798MM-1.5/NOPB optimizes the interplay between input voltage, output current, and on-state resistance to minimize power consumption. In addition, it uses advanced control techniques to prevent voltage glitches and to maintain peak efficiency by reducing power losses in both the control and output stages. The switching regulator is rated for up to 1.5 A with a maximum input voltage of 6 V.

The LM2798MM-1.5/NOPB is designed for applications that require a low-power, space-efficient solution. It is a non-synchronous buck regulator that continuously adjusts its output voltage based on the voltage of its input. This makes it suitable for use in a variety of applications, including in battery-powered devices.

The LM2798MM-1.5/NOPB includes an internal oscillator and P-channel driver transistors that are powered by an external supply source. This eliminates the need for an external driver, saving board space, reducing component count, and reducing cost. Additionally, the LM2798MM-1.5/NOPB features programmable switching frequency, allowing designers to adjust their design to meet specific performance requirements.

The operating principle is straightforward. The integrated regulator employs a pulse-width modulation technique to control output voltage. PWM works by rapidly switching a switch between the input and output power rails. The duty cycle of the switch determines the output voltage of the regulator. As the duty cycle increases, the output voltage rises; as the duty cycle decreases, the output voltage decreases. The internal oscillator adjusts the duty cycle, ensuring that the output voltage is kept constant.

The LM2798MM-1.5/NOPB is an ideal choice for applications such as low-power portable electronics, automotive electronics, and power supplies, among others. It is easy to use and offers an efficient, low-power, low-cost solution for a wide range of portable, battery-powered devices.

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