It couldn’t be simpler but you have to admit that a small adjustable portable power supply like this one ... allows you to tweak that voltage divider. Switch number one connects the 9-volt ...

A new changeover switch product range allows users to manually changeover between two power supplies or circuits, such as ...

PWM STAGE GREEN MODE OPERAION ENERGY STAR EPS (External Power Supply) version 2.0 has been ... the efficiency of dual-switch flyback is better than single-switch flyback, low voltage stress at primary ...

Figure 5 shows a state being saved upon the assertion of the saving sequence. Vdd_sw (Switched supply voltage) is controlled by switch and Vdd is always on voltages to power up the circuit. When save ...