AC/DC adapters are common types of external power supply units that are used for electronic equipment and other devices that cannot draw power directly from the main network. They change the ...

Meeting the Energy Star Level IV efficiency standard, the DCH3 series wall-mount ac/dc power adapters rely on mini-USB connectors for output delivery. They accept a universal 100 to 254 Vac input and ...

While seemingly mundane, wall phone chargers — whether that's a GaN phone charger, fast charger, or just the regular USB-A charger — have become a necessary staple in your daily routine. You need it ...

I recently bought a replacement laptop PC from Dell and was happy to see that its AC/DC power adapter had the same ratings as the ones I had from two now-defunct Dell laptops (19.5 V, 2.3 A/45 W).

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. With only "good-enough" performance for 802.11n routers and ...

My wife has an iPhone 3GS and she's lost the AC charging adapter. I told her I thought all AC adapters for USB devices were equivalent (we have several others lying around the house). She is afraid of ...

Rated at 50W, four models in the DPT50 series external ac/dc power adapters feature triple outputs, each with universal inputs from 90 to 264 Vac and 127 to 300 Vdc. Voltage outputs span from 3.3 to ...

Silanna Semiconductor says that its SZ1101 and SZ1105 fully integrated active clamp flyback (ACF) controllers for designing high-power-density AC/DC power adapters are now fully qualified and in ...