It couldn’t be simpler but you have to admit that a small adjustable portable power supply like this one will be really handy. The main part of the PSU is an LM317 linear voltage regulator which ...

The LDO voltage regulator can be in a standalone Power-Management Integrated Circuit (PMIC), or an embedded circuit within ... necessary to have acceptable transient response, power supply noise ...

Combining a buck-boost topology and Silent Switcher technology brings very low EMI at the highest power-conversion efficiency ...