2013年9月23日星期一

With several volts to 100 volts high voltage conversion ratio of the boost converter

Piezoelectric actuator (piezoeieetric Actuator) because of its compact size and high resolution displacement is widely used in a variety of applications, especially in the smart phone / camera modules of the application more popular. The application of the mobile device, while the existing power supply is a low battery, but still high driving voltage driving the piezoelectric actuator in order to electric transformer performance mobile phone many applications, so it is necessary to use a few volts to 100 volts high voltage conversion ratio of the boost converter. Traditional boost DC to DC (DC a DC) converter or a boost converter is not suitable for electri cenergy meter  where a high voltage conversion ratio, since the boost inductor equivalent series resistance (ESR), disables the output  electric meter  is higher than the input voltage is increased by 10-fold above. This article describes the coupled inductors with high boost DC-DC converter, with an indication of its working principle and design considerations. There boost inductor equivalent series resistance continuous conduction mode voltage conversion ratio.

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