The content of this thesis is to design a BOOST DC to DC Power switch supply management chip. It has very high conversion efficiency, high integration, lowest component count switcher solution and wide range input voltage. Actually, the trend of switch supply management IC design is towards high integration, and high efficiency and so on.
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Electronic technology is developing rapidly today. Electronic equipments have close relationship with living and working of people, while electronic equipment can not be separated from a reliable power supply. With the development of IC, a variety of electronic devices reduce the size , need provide energy powers with small size, high reliability, high efficiency characteristics
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Due to their merits of wide input range, high efficiency, small in size and light in weight ect., switching power supplies are gaining more and more application areas in today’s modern world, ranging from domestic equipments to sophisticated communication and data handling systems, especially in portable devices, they have unsurppassable advantages. In return, the rapid
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With the rapid development of mobile communication technology, low-power, high efficiency power management technology become an inevitable trend. The paper presents a new power management solution that combine a LDO linear regulator with a buck DC-DC convertor , this solution makes the use of low noise, high stability LDO output to providing high quality power
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With the development of the consumer electronics, automobile electronics and communication electronics, power management ICs have been more and more important, especially in the battery-operated portable systems.Current control realizes the dual-loop control on the basis of voltage mode control by using current feedback, which can improve the stability and transient response performance of the system.
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Based on analyzing the structure, principle and the parameters of low dropout regulator (LDO) and requirements for the application of micro-accelerometers, the design, simulation and optimization of the important blocks and overall circuit of LDO are presented in this thesis. Important blocks include the error amplifier, bandgap references and PMOS pass element,and the noise performance,
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With the rapid development of electronic technology, electronic equipment have more and more types, and higher and higher power requirements, power is lighter, thinner, smaller and more efficient for the development. The traditional linear voltage-stabilized source already could not satisfy the request. But switching power supply in use time has a higher efficiency and the
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