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US20090146622 PHASE SHEDDING CONVERTER WITH RIPPLE MINIMIZATION  
In an information handling system, a multi-phase electrical converter includes an electrical input, an electrical output, a plurality of converter phases coupled with the electrical input and the...
US20080246450 Soft-Start Circuit and Method Therefor  
In one embodiment, a soft-start circuit is configured to form drive pulses that increase in width independently of the current through the power switch during a first portion of the soft-start...
US20110248689 PHASE SHEDDING CONVERTER WITH RIPPLE MINIMIZATION  
In an information handling system, a multi-phase electrical converter includes an electrical input, an electrical output, a plurality of converter phases coupled with the electrical input and the...
US20090058378 CIRCUIT SYSTEM AND METHOD FOR REDUCING AN IN-RUSH CURRENT  
A circuit is provided including an output stage with a pair of transistors. Further provided is a control circuit in communication with the output stage. The control circuit is capable of...
US20080197821 DC-DC CONVERSION CIRCUIT, DC-DC CONVERSION CONTROL CIRCUIT, AND DC-DC CONVERSION CONTROL METHOD  
A DC-DC conversion circuit is configured by including a plurality of control signal generation circuits, a plurality of soft-start control circuits, and a start control circuit. The plurality of...
US20090251115 Rapid Supply Voltage Ramp  
In one embodiment, an apparatus is provided for a system including an integrated circuit coupled to a node to receive a supply voltage and having bypass capacitors coupled in parallel with the...
US20090167267 Power Converter with Monotonic Turn-On for Pre-Charged Output Capacitor  
A power converter for and method of producing a monotonic rise in output voltage at start-up. In one embodiment, the power converter includes a switch and an error amplifier coupled to an output...
US20080218134 POWER SUPPLY APPARATUS  
A power supply apparatus having a soft start function that enables a startup without any overshoot within an appropriate startup time regardless of whether the load is heavy or light. Even when...
US20080170417 ADJUSTABLE SHUNT REGULATOR WITH SOFT-START REFERENCE  
An adjustable shunt regulator comprises an operational amplifier, a transistor having a base terminal operatively connected to the output of the operational amplifier, a diode operatively...
US20080265849 CONTROL APPARATUS OF POWER CONVERSION CIRCUIT AND CONTROL METHOD THEREOF  
A control apparatus for a power conversion circuit and a control method thereof are provided. The method of the control apparatus includes producing a first control signal and a second control...
US20090021227 POWER-SUPPLY DEVICE, IC CIRCUIT, AND INFORMATION PROCESSING APPARATUS, AND SOFT-START CONTROL METHOD  
An electric current flowing to an upper side power MOSFET during soft-start is detected according to an on-voltage of the MOSFET and an on-pulse width of a PWM pulse for driving the upper side...
US20090143032 Control circuit and control method  
There is provided a control circuit including a sampling controller configured to sample an output voltage of a power converter at an appropriate time slot by opening a control loop. A soft-start...
US20110115449 Method and apparatus for controlling the powering of a transformer  
A power isolation system and method is disclosed. The system includes a transformer suitable for use in the power isolation system, and a semiconductor device electrically connected to the...
Matches 1 - 13 out of 13