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This paper presents analysis, design and experimentation of a Quadratic Boost Converter (QBC). Operation of the QBC is analyzed, leading to mathematical expressions that can be used to design the converter. Based on the derived analytical expressions, a 100W, 12V-to-48V, QBC converter is designed and built. Experiment shows that the prototyped converter operates satisfactorily throughout its operating...
Battery-supplied systems demand fast, power efficient, and compact power supplies. Although linear regulators are quick and small, tiny batteries cannot sustain their losses for long. Pulse-width-modulated (PWM) switchers are considerably more efficient, but also slower. Luckily, hysteretic converters can respond within one switching cycle. Stabilizing the system for maximum speed with a hysteretic...
The operating region of the converter is divided into four parts on the input-voltage versus load plane according to the inductance. The Maximum Output Voltage Ripple (MOVR) in each operating region is analyzed, respectively. It is pointed out that the minimum inductance to guarantee the lowest Output Voltage Ripple (OVR) is the critical inductance of CCM and DCM under the highest input voltage and...
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