FREQUENCY SHAPING NOISE IN A DC-DC CONVERTER USING PULSE PAIRING
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Nov 16, 2016
filing date -
Nov 16, 2016
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
In one aspect, an apparatus includes: a pulse frequency modulation (PFM) voltage converter to receive a first voltage and provide a second voltage to a load; and a pulse generator. The PFM voltage converter may include an inductor to store energy based on the first voltage and a switch controllable to switchably couple the first voltage to the inductor. The pulse generator may be configured to generate at least one pulse pair to control the switch, where this pulse pair is formed of a first pulse and a second pulse substantially identical to the first pulse, where the second pulse is separated from the first pulse by a pulse separation interval, when the second voltage is less than a first threshold voltage.
First Claim
Other Claims data not available
