This 12 Volts transformerless power supply take advantage of the fact that a Zener diode is also a normal diode that conducts current in the forward direction. During one half wave, the current flows ...

We don’t often talk about power supplies ... even require you to plug in the auxiliary 8-pin power connector. The spec does allow for auxiliary 12-volt power through the EPS12V connector.

a standby output voltage of 12 V, and an operating temperature range of -5°C to +45°C. Its hold-up time at 8.5 kW is 10 ms, with 20 ms possible through an extender. Navitas will debut the 8.5-kW power ...

Follow [Steven’s] safety tips when operating such a power supply. Remember to ground the outputs after shutting down. The high voltage tripler can store quite a jolt in its internal capacitors ...

Picking out a PC power supply is a lot more challenging than ... things can go wrong. Voltage fluctuations and power surges can result in damaged components, and that includes some of the most ...

it required 7.4V and no off-the-shelf power supplies were to be found with that voltage. His solution was to take a 12V supply and modify it to deliver a variable voltage so he could dial in his ...