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To cope with monolithic controller replicas and the current unbalance situation in multiphase converters, a pseudo-ramp current balance technique is proposed to achieve time-multiplexing current balance in voltage-mode multiphase DC–DC buck converter. With only one modulation controller, silicon area and power consumption caused by the replicas of controller can be reduced significantly. Current balance...
A pseudo-noise coded constant-off-time (PNC-COT) controlled switching converter is proposed in the power module to provide fast envelope tracking and reduced voltage ripple of the supply for radio-frequency power amplifier. The proposed spread spectrum frequency controller (SSFC) conquers the difficulty in spread spectrum realization for the COT control owing to the lack of clock signal. With pseudo-noise...
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