A hysteretic boost regulator with Emulated-Ramp Feedback (ERF) current-sensing technique for LED driving applications
Solid-State Circuits Conference（2013）
摘要
An inductor switching hysteretic control boost DC-DC regulator is presented in this paper with a newly proposed current-sensing technique named “Emulated-Ramp Feedback, ERF”. A boost regulator with a chip verification which achieves a simple structure and low cost is presented for LED driving applications. The regulator was fabricated in a TSMC 0.25μm high voltage (HV) CMOS process with a specification of 5V to 12V in a 0-300mA load range. And a peak efficiency of 92.1% is achieved with only 1.014mm2 chip area.
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关键词
cmos integrated circuits,dc-dc power convertors,circuit feedback,electric current measurement,inductors,light emitting diodes,switching convertors,voltage regulators,erf,led driving applications,tsmc high voltage cmos process,chip verification,current 0 ma to 300 ma,emulated-ramp feedback current-sensing technique,hysteretic boost regulator,inductor switching hysteretic control boost dc-dc regulator,size 0.25 mum,voltage 5 v to 12 v,hysteretic control,boost dc-dc regulator,emulated-ramp feedback (erf),light-emitting diode (led),ripple-based control (rbc),synthetic-mode
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