https://www.analog.com/cn/resources/technical-articles/clever-circuit-improves-efficiency-of-charge-pump-plus-linear-regulator-solution.html
In some systems, charge pump plus linear regulator combination is preferred over an inductor-based switching power supply (wi
charge pumplinear regulatorclevercircuitimproves
https://www.electronicdesign.com/technologies/analog/article/21763694/linear-circuit-design-handbook
Compilation, Analog Devices, Inc.; Hank Zumbahlen, ed.
linear circuitdesign handbookelectronic