LQS50A48-1V5AJ

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DC DC Converters are special types of power supplies that convert direct current (DC) voltage from one level to another, increasing or decreasing its value. A commonly used DC DC converter is the LQS50A48-1V5AJ. This article will discuss the application field of the LQS50A48-1V5AJ and its working principle.

Application Field:

The LQS50A48-1V5AJ, also known as a surface mount DC-DC converter, is designed to efficiently reduce an input voltage from a DC source such as a battery to a lower output voltage with the capability to drive a display module. It has a wide input voltage range of 4.5V to 28V, and is typically used in industrial control systems, instruments, measuring instruments and consumer electronic products.

This converter offers various settings and can easily be integrated into any application. It boasts a wide range of features including very low standby current, intelligent high-frequency switching, excellent open-frame design and high-frequency conversion architecture. All of which make the LQS50A48-1V5AJ ideal for applications where power management and efficiency are critical.

Working Principle:

The LQS50A48-1V5AJ uses a high-frequency switching regulator oscillator, usually operating at a frequency of 250kHz, to drive a MOSFET transistor or another type of switching device. The switching device changes the direct current from the input source to an alternating current that steps down the voltage to the desired level. It is regulated with a pulse-width modulation (PWM) or other feedback technique, allowing the output voltage to remain constant even if the input varies.

The output voltage is further regulated through a feedback loop. A current sensing device feeds the voltage at the output terminal back to a comparator. If the output voltage is lower than the desired value, the output module will send a signal to the oscillator to increase the pulse width, increasing the output voltage by creating a longer on-time of the switching device. Conversely, if the output voltage is higher, the output module will signal to decrease the pulse width, resulting in a shorter on-time of the switching device and lowering the output voltage.

The LQS50A48-1V5AJ is a reliable and efficient DC-DC converter that is well-suited for a wide variety of applications. Its wide input voltage range and efficient switching regulator make it an ideal choice for industrial control systems, instruments, measuring instruments and consumer electronic products.

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