QM48T50033-NAAP

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DC DC converters are widespread in the electronics industry, used in nearly every application from consumer electronic products to industrial devices. The QM48T50033-NAAP is a DC DC converter specifically designed to provide superior voltage conversion efficiency and power density. This article will discuss the application field and working principle of the QM48T50033-NAAP.

The QM48T50033-NAAP is a 48V input to 12V output fully-integrated DCDC converter with high power density of 34.4W/in³ and high efficiency up to 96%. It is suitable for a wide range of power system designs, from telecom equipment to power over Ethernet (PoE) applications. This DC-DC converter features a regulated output voltage, two independent enable/control connections, a thermal warning pin, and an adjustable output-voltage trim function. The QM48T50033-NAAP is an excellent choice for high-power and high-density applications that require a reliable and efficient power solution.

The QM48T50033-NAAP works by using a high-frequency switching topology to convert the input voltage to a regulated output voltage. This topology is based on an oscillator that controls a MOSFET switch, and the frequency of the oscillator is adjusted to maintain the desired output voltage. When the switch is on, the MOSFET allows the input voltage to charge a primary inductor. During the switch-off time, the inductor stores energy that is then converted to the output voltage with the help of a secondary diode and output capacitor. The output voltage is further regulated by a voltage-feedback loop that adjusts the switching frequency.

The QM48T50033-NAAP is an ideal choice for applications that require a high power density and high efficiency. It is well-suited for telecom and networking applications that require a regulated 12V output from a 48V input. The enable/control connections and trim function make it easy to customize the output voltage for a variety of applications, and the thermal warning pin helps to ensure reliable operation. The high efficiency of the QM48T50033-NAAP helps to reduce power dissipation and minimize energy loss. This makes it an excellent choice for applications that require a reliable and efficient power solution.

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