Industrial control power supply
Switching power supply has the characteristics of small size, light weight, high conversion efficiency, is widely used in consumer electronics, medical, communications, industrial automation and other fields, is a more widely used form of power supply.
What is a switching power supply?
Switching power supply (referred to as SMPS, switched mode power supply) is the use of modern power electronics technology, control switch (such as: MOSFET) on and off, to obtain a stable output of a circuit.
switching power supply classification?
A, according to the input and output voltage classification: AC to DC, DC to DC, DC to AC, AC to AC
B, according to the output characteristics of classification: constant voltage power supply and constant current power supply
C, according to the input, output is isolated classification: isolated power supply and non-isolated power supply
Switching power supply circuit composition?
The switching power supply is mainly composed of anti-surge circuit, electromagnetic interference filter circuit (EMI), primary rectifier filter circuit, power factor correction circuit (PFC), PWM control circuit, power conversion circuit, output rectifier filter circuit, sampling feedback circuit and protection circuit.
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