Patent · US Expired

All-NPN-transistor voltage regulator

US5049807A · kind A · utility

3Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 1991
Grant dateSep 17, 1991
Priority date
Expiry dateJan 3, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05F3/265
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A relatively simple voltage regulator comprises a bandgap reference, an error amplifier and a multi-function current mirror. By utilizing only NPN transistors, a high-performance arrangement characterized by good line regulation is achieved.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.