Circuits, devices and methods for achieving small duty cycles in switching regulators
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Apr 15, 2015
filing date -
Apr 16, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Circuits, devices and methods for achieving small duty cycles in switching regulators. In some embodiments, a method for generating a low duty cycle output voltage can include setting a ramp signal to a first level substantially with a first edge of a clock signal, and ramping the ramp signal from the first level towards a second level such that voltage level of the ramp signal crosses a compensation level, with the ramping beginning at a time before a second edge of the clock signal. The method can further include starting an output pulse substantially with the second edge of the clock signal, and ending the output pulse substantially with an edge of a pulse-width modulation (PWM) signal that results from the ramp signal crossing the compensation level during the ramping.
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International Classification(s)
- 2015 Application Filing Year
- H03K Class
- 2401 Applications Filed
- 2055 Patents Issued To-Date
- 85.59 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H03K Class
- 0 % this patent is cited more than
- 7 Age
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