SQM48T25010-NAC0

Series:	--
Part Status:	Obsolete

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DC DC Converters

DC-DC converters, also known as switched-mode power supplies, are designed to efficiently convert direct current (DC) energy from one form to another. The most common types of converters are linear, step-up, step-down, flyback, and switched capacitor types. The specific type of converter used will depend on the application. The SQM48T25010-NAC0 is an example of a DC-DC converter that is used in many industrial, automotive, and consumer applications. This type of converter is a high-efficiency, non-isolated, bipolar, buck-boost converter. The converter has an output power of 28.5 Watts, input voltage range of 8 to 45 VDC, and an adjustable output voltage range of 0.8 to 44 VDC. It features a wide switching frequency range of 100 to 800 KHz and low ripple noise of 10 mV at 25 mA load. It also features a soft-start time of 3 ms.The SQM48T25010-NAC0 converter is designed to provide a cost-effective, reliable, and efficient power supply solution for a variety of applications. The primary applications for the converter include automotive systems, industrial robots, portable lighting systems, and consumer applications where a compact, low-cost power supply is needed.The basic working principle of the SQM48T25010-NAC0 converter is based on the buck-boost conversion process. In this type of conversion, an input DC voltage is converted into a regulated output voltage. The converter\'s circuitry consists of a power switch, an inductor, a capacitor, and current-sense and control circuitry. During the buck-boost operation, the power switch is turned on and off rapidly to create a pulse-width-modulated (PWM) signal. This PWM signal is used to control the power transferred to the output stage. The inductor stores energy during the on-time of the power switch. When the switch is turned off, the energy stored in the inductor is then transferred to the output stage. This process continues until the output voltage has been regulated to the desired level.To further improve the efficiency of the converter, the SQM48T25010-NAC0 includes several features such as soft start, over-voltage protection, and over-current protection. The soft start feature ensures that the input voltage is ramped up gradually to minimize the inrush current and to reduce the stress on the components. The over-voltage protection feature limits the output voltage to the maximum rating and shuts down the output if necessary. The over-current protection feature shuts down the output if the output current exceeds the specified limit.In conclusion, the SQM48T25010-NAC0 converter is a highly efficient and reliable DC-DC converter designed for a wide variety of applications. It features a wide range of features that ensure a cost-effective, reliable, and efficient operation. The basic working principle of the converter is based on the buck-boost conversion process. The SQM48T25010-NAC0 converter is suitable for applications that need a compact, low-cost power supply solution.

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