Advantages
- Free technology
- Hardly electrically destructible
- When breaks, low probaility of killing connected electronics
- Doesn't generate interference
- Doesn't pose a fire hazard even in case of failure unattended
- Provides also continuously regulated voltage from 2 to approx. 22V
| Disadvantages
- Can't be bought ready-made (yet?)
- Requires skill in building metal boxes: no box mechanical design supplied
- Lower efficiency than SMPS
- Heavy
- Requires custom transformer
- Fixed overcurrent protection
- Non-floating (grounded to PE) output
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