Voltage regulator circuit with supply voltage ripple rejection to transient spikes
US4441070A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Feb 26, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/265
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A solid state circuit for providing a DC regulated output voltage at an output thereof wherein the circuit exhibits excellent ripple rejection performance to maintain the regulated output voltage constant with perturbations in the supply voltage applied to the circuit. The circuit includes a precision current source for providing output currents to a load circuit which is connected between the current source and ground reference. A bias reference potential is applied to the load circuit which has an output connected to the output of the circuit and a feedback loop for causing the DC regulated voltage to be proportional to the bias reference potential. A frequency compensation circuit is included that is coupled across outputs of the current source which enhances the ripple rejection performance of the circuit to higher frequency component transients of such perturbations in the supply voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.