Ac Dc Power Supply Circuit Without Transformer

There are many methods to convert ac voltage into dc.

Ac dc power supply circuit without transformer.

And yes we can also convert the high voltage ac into low voltage dc without using the transformer this is called transformerless power supply. The values typeof fuse are indicative choose it according to your design need. Even though the transformer based power supply is efficient in providing sufficient current it consumes much space and makes the gadget bulky. January 13 2020 leave a comment on ac to dc converter circuit diagram without transformer.

It works by using a high voltage capacitor to drop the mains ac current to the required lower level which may be suitable for the connected electronic circuit or load. This clever design uses 4 diodes in a bridge to produce a fixed voltage power supply capable of the current 35ma. The main component of a transformerless power supply circuit is voltage dropping capacitor or x rated capacitor which are specially designed for ac mains. This is then rectified and made ripple free by using a transformerless power supply.

The most common method is the use of a step down transformer to reduce 230v ac to a lower value ac. Here is a dc voltage regulated transformer power supply circuit. As the name defines a transformerless power supply circuit provides a low dc from the mains high voltage ac without using any form of transformer or inductor. Q1 should bechosen according to power requirement essentially it should be ableto drain the unused current when the load is absent.

Rocky jamesh published date. Cost of the transformer is also high. This x rated capacitor is connected in series of phase line of ac to drop the voltage. Fixed voltage regulated transformerless power supply.

Transformerless power supply circuit 6v dc 12v 100ma efficient 4 simple how to convert 230v ac quora 220v 12 volts.