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Open Loop Voltage Gain Linearization of a Single Ended Primary Inductance Converter (SEPIC)

IP.com Disclosure Number: IPCOM000013173D
Original Publication Date: 2003-Jun-17
Included in the Prior Art Database: 2003-Jun-17

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D.R. Anderson


Application of Buck PWM converters for Class-S amplifiers is well known. For high frequency Class-S applications above 1 Mhz, application of the SEPIC instead of the Buck converter can result in enhanced amplifier stability and lower cost. To realize these advantages, a ramp function is presented which improves the linearity of the SEPIC’s open loop voltage gain transfer function.