EMC influence of the charge pump in linear regulators - Design, simulation and measurements

@article{Wittmann2011EMCIO,
  title={EMC influence of the charge pump in linear regulators - Design, simulation and measurements},
  author={Juergen Wittmann and Bernhard Wicht},
  journal={2011 IEEE International Symposium of Circuits and Systems (ISCAS)},
  year={2011},
  pages={1359-1362}
}
The charge pump belongs to the most critical blocks for electromagnetic compatibility (EMC) of low dropout linear regulators (LDO) because of its switching nature. The goal of this paper is to contribute charge pump design practice and a prediction method for the LDO EMC performance already in an early design phase. LDO noise coupling mechanisms are analyzed. EMC aware circuit design includes the choice of low noise architectures, the right switching frequency and noise filtering. The derived… CONTINUE READING