Anti-single event hardened digital low-dropout linear regulator and control method
A low-dropout linear and anti-single event technology, applied in control/regulation systems, instruments, and regulation of electrical variables, etc.
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[0088] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0089] The invention is an anti-single-event hardened digital low-dropout linear regulator. It is implemented in a digital way, including control circuit, fine adjustment comparator circuit, coarse adjustment comparator circuit, state decoding circuit, coarse adjustment shift chain, middle adjustment shift chain, fine adjustment shift chain, hold shift ring, Hold shift rings, pass transistor arrays, etc. blocks. By dividing the power supply process into three stages of coarse adjustment, medium adjustment and fine adjustment, the problems of response speed and power supply ripple are solved: the fast search in the coarse adjustment stage can increase the response speed several times; the fine adjustment stage minimizes the standard of the pass transistor The width and length optimize the power ripple; the middle adjustment stage ...
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