摘要:
For one disclosed embodiment, error is sensed in a voltage at an output node. One or more analog signals are generated based on the sensed error. One or more generated analog signals are converted into one or more digital signals. The voltage at the output node is controlled in response to the one or more digital signals.
摘要:
For one disclosed embodiment, error is sensed in a voltage at an output node. One or more analog signals are generated based on the sensed error. One or more generated analog signals are converted into one or more digital signals. The voltage at the output node is controlled in response to the one or more digital signals.
摘要:
A temperature-independent voltage reference containing two independent bias circuits powered by the reference voltage, each bias circuit containing components with an exponential dependence of current on voltage and one containing a resistive impedance, and further including voltage dividers and an active component.
摘要:
A timing circuit independently controls placement of the positive and negative edges of a periodic signal. This signal may then be used to control a wide variety of integrated circuit applications. The timing circuit includes separate programmable delay lines and a signal processor. Each delay line delays an input clock signal by a different increment of time. The signal processor then generates a timing signal from the clock signal, where the timing signal has a first edge controlled by the first delayed clock signal and a second edge controlled by the second delayed clock signal. The edges may be controlled so that the timing signal assumes different logical values for different amounts of time, thereby customizing the signal to any application. An example of one application includes using the timing signal control switching in a DC-DC converter.
摘要:
A method and apparatus for multi-phase transformers are described. In one embodiment, a coupled inductor topology for the multi-phase transformers comprising N primary inductors. In one embodiment, each primary inductor is coupled to one of N input nodes and a common output node. The transformer further includes N−1 secondary inductors coupled in series between one input node and the common output node. In one embodiment, the N−1 secondary inductors are arranged to couple energy from N−1 of the primary inductors to provide a common node voltage as an average of N input node voltages, wherein N is an integer greater than two. Other embodiments are described and claimed.
摘要:
Droop-control circuitry of a multiphase power converter determines when multiphase switching signals are concurrently at either a high or low state and temporarily clamps the output of the power converter to either a high or low voltage level in response thereto.
摘要:
A method is described comprising conducting a first current through a switching transistor. The method also comprises conducting a second current through a pair of transistors whose conductive channels are coupled in series with respect to each other and are together coupled in parallel across the switching transistor's conductive channel. The second current is less than and proportional to the first current.
摘要:
A method is described comprising conducting a first current through a switching transistor. The method also comprises conducting a second current through a pair of transistors whose conductive channels are coupled in series with respect to each other and are together coupled in parallel across the switching transistor's conductive channel. The second current is less than and proportional to the first current.
摘要:
Stepwise drivers for DC/DC converters are described herein. In one embodiment, a stepwise driver is provided to charge or discharge a gate capacitance of a power switch of a DC/DC converter. In a particular embodiment, a stepwise driver example includes multiple switching elements to sequentially switch to charge a gate capacitance of a power switch of a DC/DC converter from a first voltage to a second voltage in multiple steps. Other methods and apparatuses are also described.
摘要:
A temperature-independent voltage reference containing two independent bias circuits powered by the reference voltage, each bias circuit containing components with an exponential dependence of current on voltage and one containing a resistive impedance, and further including voltage dividers and an active component.