Patent application number | Description | Published |
20090243572 | Power Supply with Digital Control Loop - A switching regulator apparatus includes an inductor coupling an input node to a switching node. A first capacitor couples the switching node to a diode node. A first diode couples the diode node to a common node. A second diode couples the diode node to an output node. A second capacitor couples the output node to the common node. A switch couples the switching node to the common node, wherein the first capacitor transfers energy from the input node to the output node in accordance with the commutation of the switch. | 10-01-2009 |
20090243578 | Power Supply with Digital Control Loop - One embodiment of a power supply apparatus includes a switching regulator generating an output voltage VOUT at an output node from an input voltage VIN at an input node in accordance with a pulse width modulated signal having a nominal frequency of f | 10-01-2009 |
20090243701 | Power Supply with Digital Control Loop - One embodiment of an apparatus for switching a transistor includes a first current mirror providing i | 10-01-2009 |
20090245504 | Power Supply with Digital Control Loop - One embodiment of a power supply apparatus includes a first switcher coupled to provide VOUT from a VSUPPLY. A cascaded second switcher is coupled to provide a subscriber line interface circuit target VBAT from VOUT, wherein the first switcher is placed in one of an active mode and an inactive mode in accordance with a function of VSUPPLY and VBAT, wherein in the active mode | 10-01-2009 |
20100080380 | Method and Apparatus for Supplying DC Feed to a Subscriber Line - A subscriber line apparatus including linefeed driver circuitry for providing a DC feed for a tip line and a ring line of the subscriber line from a power supply in accordance with linefeed driver control signals. Bypass circuitry couples the tip and ring lines to the power supply in accordance with a power mode control. The tip and ring lines are coupled to the power supply through the linefeed driver circuitry in a first power mode. The linefeed driver circuitry is bypassed to couple the tip and ring lines to the power supply in a second power mode. | 04-01-2010 |
20100080381 | Method and Apparatus for Supplying DC Feed to a Subscriber Line - A subscriber line apparatus including linefeed driver circuitry for providing a DC feed for a tip line and a ring line of the subscriber line from a power supply in accordance with linefeed driver control signals. Bypass circuitry couples the tip and ring lines to the power supply in accordance with a power mode control. The tip and ring lines are coupled to the power supply through the linefeed driver circuitry in a first power mode. The linefeed driver circuitry is bypassed to couple the tip and ring lines to the power supply in a second power mode. | 04-01-2010 |
20100327843 | Wide-Swing Cascode Current Mirror - A current mirror apparatus includes an input stage receiving an input current, I | 12-30-2010 |