This LM723 variable power supply electronic project circuit diagram is a very simple variable power supply that will provide an output voltage between 8 and 30 volt at a maximum output current of 3 ampere .
This LM723 variable power supply electronic project circuit diagram has a very low output ripple voltage of 0.5mV and offer various protections like : shortcircuit protection and overload protection.
The MJ3001 transistor must be mounted on a well dimensioned heatsink .
The transformer output voltage of 30 volt at a minimum of 120 VA . Adjusting the RV1 potentiometer you will modify the output voltage of the power supply .
Using the LMZ14202H power switching controller, can be designed a very simple switching power supply circuit that can provide a fixed output voltage covering a wide range of voltages .
This power switching power supply electronic project will provide a fixed output voltage between 5 and 30 volt from an input voltage between 8 and 42 volt at a maximum output current of 2 ampere .
This circuit project power supply require few external electronic parts and can be configured very easy .
In the table bellow you can see components value that are required for different output voltage .
A very simple high efficiency high current power supply circuit diagram can be designed using the LMZ13610 switching power supply circuit . This high current switching power supply electronic project circuit diagram can provide a maximum output current of 10 ampere , using few external electronic parts . Output voltage is fixed and can be set using two external resistors . The output voltage can be set from 0.8 volt up to 6 volt , requiring an input voltage range between 6 and 36 volt .
Some features of this power supply electronic circuit diagram are: 50W maximum total output power , up to 10A output current , Input voltage range 6V to 36V , Output voltage range 0.8V to 6V , Efficiency up to 90% , fixed switching frequency (350 kHz) , flexible startup sequencing using external soft-start, protection against inrush currents and faults such as input UVLO and output short circuit , – 40°C to 125°C junction temperature range.