Radiation tolerant discrete reference for DC-DC converters
US11397445B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2021 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Sep 3, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A radiation tolerant discrete reference voltage source includes just two bipolar junction transistors, five resistors, and a Zener diode. Two of the resistors form a voltage divider that outputs a reference voltage. Values of the resistors included in the voltage divider can be selected to output a desired reference voltage level, for example, 5.00V, 4.00V, or 2.50V, which obviates a need to procure unique voltage references for those reference voltage levels and provides design flexibility. The radiation tolerant discrete reference voltage source provides improved control over radiation hardness and does not require high gain transistors. Because relatively few, inexpensive components are used, the radiation tolerant discrete reference voltage source can be produced at a low cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.