A controller (10) includes a high-side circuit (14), a low-side circuit (16), a level-shift circuit (28), and a data-validation circuit (32). The high-side circuit (14) is referenced to an offset-voltage reference that is offset voltage-wise relative to a ...

The power supply apparatus includes a first power device, a second power unit, and controlling means. Each of the first power device and the second power unit supplies DC power to a DC supply line. The first power device makes constant voltage control. The...

A voltage regulator that includes a voltage control circuit, fabricated on a semiconductor. The voltage control circuit maintains a voltage between a first node and a second node within a predetermined range by maintaining a current level flowing from the ...