LM2679SX-12/NOPB

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The LM2679SX-12/NOPB is a synchronous step-down switching regulator that can be used to convert input voltages of up to 24V DC into outputs of up to 12V and up to 3A. Its step-down configuration allows it to achieve low voltage outputs while avoiding over-voltage stresses, making it ideal for a variety of applications, from automotive electronics and point-of-load power supplies to solar and industrial applications. This article will discuss the application fields and working principles of this device.

One of the main applications for the LM2679SX-12/NOPB is in low-voltage, high-power DC/DC (direct current to direct current) converters. This device can be used to step-down the voltage of a DC input voltage in order to provide a regulated output voltage for use in a variety of applications. The wide input voltage range of up to 24V DC results in a wide range of possible output voltage settings, making it suitable for a variety of applications.

The device can also be used in automotive applications. The wide input range of up to 24V DC makes it an ideal choice for use in electronic components or systems which may require a wide range of input voltage to function properly. Similarly, the high current rating of 3A enables the device to provide a suitable amount of power for a variety of applications, such as motors, light systems, and fuel pumps, within automotive systems.

The LM2679SX-12/NOPB is also well-suited for point-of-load power supplies. Its step-down configuration allows it to achieve an accurate output voltage, which is ideal for powering voltage-sensitive circuits. Its low-noise outputs also help to reduce power-supply noise and improve circuit performance.

The LM2679SX-12/NOPB is also suitable for applications in solar or industrial environments. Its wide input voltage range, 3A current rating, and step-down configuration make it an ideal choice for providing reliable power in harsh environments. Its reliable and efficient performance allows it to be used in numerous industrial and solar applications, ranging from communications and consumer electronics to motor and lighting systems.

The LM2679SX-12/NOPB is a synchronous step-down switching regulator, meaning that it has a power transistor connected in phase with the input voltage waveform. This phase relationship allows the device to switch between full-on and full-off states rapidly, thus allowing for more efficient operation and higher power output. In addition, the device also has internal synchronous rectification that helps to reduce power losses.

The LM2679SX-12/NOPB is an adjustable device, meaning that it can be programmed to output a specific voltage. To do this, a resistor divider must be connected between the output of the device and its FB (feedback) pin. The output voltage is proportional to the ratio of the two resistors connected between the output and FB pins.

The LM2679SX-12/NOPB is protected against overcurrent, overvoltage, and overtemperature. In the event of overcurrent or overvoltage, the device will enter a protected state, where its output voltage is reduced until the fault is removed. Similarly, if overtemperature is detected, the device will enter an hiccup mode, where it will keep cycling on and off until the temperature is reduced.

In conclusion, the LM2679SX-12/NOPB is a versatile synchronous step-down switching regulator that can be used for a variety of applications. Its wide input voltage range, 3A current rating, adjustable voltage output, and protection features make it an ideal choice for automotive, solar, and industrial applications.

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