The demand for smaller, lighter, and more efficient AC/DC USB power delivery (PD) chargers is always a challenge for power-supply design engineers. Below 100 W, the quasi-resonant flyback is still the ...

Weighing only 708g and just 16mm/0.63-inch thin, NOOMDOT N1 is touted as the world’s slimmest portable AC power bank.

I have seen those in older rentals, and it was just simply a hook-up to cable television in the same box as the electrical outlet. Probably a space saving thing. Nope...just your normal wall-wart with ...

Absopulse Electronics FTT 3K Series has introduced a rugged, modular AC/AC frequency converter system that uses microprocessor controlled, high frequency PWM technology to deliver 3-Phase, 3000 VA ...

Would appreciate any help on this. I need to replace a power adapter for an old guitar pedal/preamp (H&K Original Tubeman). Now I know the pedal needs a 12V DC 500mA adapter. And I've seen several 12V ...