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- Shin, Se-Un
- PICTUS Lab.
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A Quasi-Digital Ultra-Fast Capacitor-Less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems
- Author(s)
- Choi, S.-W., Huh, Y., Park, S.-H., Yoon, K.-S., Bang, J.-S., Shin, Se-Un, Ju, Y.-M., Yang, Y., Yoon, J., Ahn, C., Kim, T., Hong, S.-W., Cho, G.-H.
- Issued Date
- 2018-06-20
- Citation
- IEEE Symposium on VLSI Circuits, pp.107 - 108
- Abstract
- This paper presents a comparator-based Quasi-Digital LDO (QDLDO) for the negative supply which has an ultra-fast transient response for the PCRAM systems. Even under the sharp spike of a load current having a peak value of 80 mA with a short rising time of 2.5 ns, the QDLDO effectively minimized a voltage spike on the output voltage, reducing it to 150 mV within only 40 ns. With I/O transistors to withstand I/O voltage stress, this LDO achieved the bestFOM of 0.042 V/um2, among the other state-of-the-art LDOs fabricated in more advanced technologies. © 2018 IEEE.
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
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