PWM power converter with digital sampling control circuitry
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United States of America Patent
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Mar 1, 2005
Grant Date -
Feb 26, 2004
app pub date -
Nov 27, 2002
filing date -
Nov 29, 2001
priority date (Note) -
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Abstract
Switching power converters for regulating voltage at an output of a load include digital control circuitry for sensing an output voltage feedback signal, comparing the sensed feedback signal to a reference at a determined time during a cycling of the switch; and regulating the output voltage by either enabling or inhibiting cycling of a switch by a cycle of a drive signal produced by pulse generation circuitry in response to the comparison.
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