Speaking of the linear power supply, what is the difference between it and the switching power supply? The popular point is that the linear power supply voltage regulation can be seen as adjusting the resistance value, which is equivalent to adjusting the sliding rheostat to change the voltage. The switching power supply can be seen as changing the voltage by adjusting the frequency of the switch.
Switching power supply classification
No power frequency transformer type switching power supply No power frequency transformer type switching power supply replaces cumbersome power frequency transformers with small high-frequency transformers, and the experiment is isolated from the power grid. Since the internal devices of the switching power supply operate in a high-frequency switching state, the energy consumed by itself is very low, and the power supply efficiency is double that of the conventional linear power supply.
Switching Regulator Switching Regulator A switching regulator that integrates a PWM controller, a power output stage, and a protection circuit into a single chip. The efficiency of the regulator can be more than 90%. It can continuously adjust the output voltage and is suitable for switching power supply from several tens of watts to several hundred watts.
Monolithic Switching Power Supply The monolithic switching power supply integrates the main circuits of a switching power supply into a chip, enabling output isolation, pulse width modulation, and a variety of protection functions. It has the highest level of integration. Monolithic switching power supply adapts 85~265V, 47~400HZ AC power through input rectifier filter. And it has the advantages of high integration, high cost performance, simplest peripheral circuits, Canon indicators, etc. Now it has become the preferred integrated circuit for the development of small and medium power switching power supply, precision switching power supply and switching power supply with a power of up to 600W.
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Aluminum Alloy Forming Die Casting
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