ALD25K48N-6L

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DC DC converters are power devices designed to convert one electrically connected power source to another. They are widely used in many different applications ranging from telecommunications and computers to industrial machinery and consumer electronics. The ALD25K48N-6L is a DC-DC converter specifically designed for a wide range of applications, including automotive, industrial, consumer and medical applications.

The ALD25K48N-6L is a non-isolated converter, which means that it uses a low dropout linear voltage regulator as opposed to an isolated power supply, which requires an opto-coupler to bridge the gap between the input and output circuits. It has an input voltage range of 6–76V in step-down mode and a maximum output power of 25W with a switching frequency of 96 KHz. It also features fixed output voltage options in 4.5V, 5V, 12V and an adjustable output of 0.8V-14V, making it suitable for a wide range of applications.

The ALD25K48N-6L is a 600KHz, synchronous step-down converter with excellent electrical performance, allowing for excellent load and line regulation. It offers wide input voltage range, low quiescent current, low EMI operation and 65mΩ high efficiency synchronous rectifier including active PFC with over-voltage protection. It has a wide operating temperature range of -40 to +100°C and is available in an industry standard 7.5x17mm package that is ideal for environments with limited space. It also meets the requirements of both the ATX V2.3 and EPS12V V2.92 standards, making it a suitable power solution for PC desktops and servers.

The ALD25K48N-6L has a very simple working principle. It starts with a voltage source that is inputted into the converter, which sets the power supply impedance. When the voltage source is greater than the preset output voltage, the converter will reduce the voltage to the desired level. This is done by exploiting the differences between the input and output circuit impedances. The higher the output voltage is set, the lower the current will be.

The DC-DC converter then uses this current and the current limit circuitry, consisting of three elements: an internal voltage reference, a current sense amplifier and a precision control circuit, to regulate the output voltage and control the power supply. The output voltage is determined by the difference between the input voltage and the current sense amplifier voltage.

The ALD25K48N-6L is a perfect choice for a wide range of applications, including those in automotive, industrial, consumer and medical. Its wide input voltage range, low quiescent current, low EMI operation and 65mΩ high efficiency synchronous rectifier make it an ideal power supply for sensitive applications. Its simple working principle and wide range of output voltage settings allow for great flexibility and reliability, making it the perfect choice for all your DC DC power needs.

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