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This paper proposes an adaptive pole-zero position (APZP) technique to achieve excellent transient response of dc--dc converters. The APZP technique triggers the two-step nonlinear control mechanism to speed up the transient response at the beginning of load variations. Before the output voltage is regulated back to its voltage level, the APZP technique merely functions as a linear control method...
In this paper, the regulated dual phase charge pump with compact size is presented. This charge pump uses the dual phase technique to reduce the output ripple and proposes a new power stage to define the stability of the overall system. This charge pump provides output voltage 5V and maximum load current 50 Am with the constant frequency regulation. This design is based on TSMC 035 mum 3.3V/5V CMOS...
An adaptive frequency control (AFC) technique is proposed for minimizing transient dropout voltage and response time of switching DC-DC converters. As we know, nonlinear fast- transient techniques with fixed switching frequency can effectively regulate the unstable output voltage back to steady-state within a short time. However, they suffer from oscillation problem because of large sourcing or sinking...
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