Inductive switching power supply circuit diagram


Posted on Mar 28, 2007

As illustrated, 555 and R1, R2, C1 composition astable multivibrator, the oscillation frequency is about 10kHz, duty cycle close to 50%. VT2, VT3 switch as expanding the use of


Inductive switching power supply circuit diagram
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current use. When the square wave oscillator is high, VT2, VT3 conduction, the LC discharge; is low, L energy storage through freewheeling diode circuit power supply to the load. When overvoltage, DW breakdown, VT1 saturated conduction, c was very low ( 0.7V), 555 reset to stop, play the role of regulator and dynamic balance.




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