A power adapter must be safe to use and isolate the user from lethal AC mains voltage. Adapters or external power supplies must also not damage the environment with unnecessary power draw in use 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 ...

Described as high-efficiency components, the 50W AD50 and 100W AD100 series ac/dc power adapters specify typical power-conversion efficiencies of 80% and 90%, respectively. Both support a universal 90 ...

The trend toward more dense and efficient quasi-resonant converters has led to the development of high-efficiency converters capable of higher switching frequencies. For this reason, Fairchild's QR ...

Today, 80% of all input/output (I/O) devices in automation applications are supplied with 24VDC power. The second most popular voltage is 120VAC, which is used on 15% of all I/Os. Over the past decade ...