- Switching Power Supply 14 Volts 2W Circuit
For this electronic project in small switching power supply Schmitt trigger oscillator is used a transistor of switching system which is currently a small inductor.
The energy in the inductor while the transistor is switched on and in the charge circuit when the transistor off.
The output voltage is dependent on the load and is provided with a Zener summarizes oscillator when the voltage to about 14 volts.
More or less high voltage can be minimized by adjusting the voltage divider provides the Zener.
The efficacy is about 80% with a high Q inductor.
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