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특허 상세정보

Voltage regulator with automatic accelerated aging circuit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05F-001/10   
미국특허분류(USC) 32/7543 ; 32/753.9 ; 32/740.8
출원번호 US-0012414 (1998-01-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hill
인용정보 피인용 횟수 : 15  인용 특허 : 6
초록

A voltage regulator with automatic accelerated aging circuit (200) includes a comparator (202), a switched voltage divider (204), and a current-to-voltage converter (224). The voltage regulator (200) is implemented in an integrated circuit and monitors a power supply voltage provided to the integrated circuit. When the power supply voltage is within a first normal voltage range, the voltage regulator (200) provides a normal internal supply voltage to the integrated circuit. When the power supply voltage is within a second higher voltage range, the voltag...

대표
청구항

[ What is claimed is:] [1.] A voltage regulator, comprising:a comparator having a first input terminal for receiving a first reference voltage, a second input terminal, and an output terminal for providing a control signal, wherein the first reference voltage is provided by a circuit which causes the first reference voltage to be relatively constant;a voltage source controlled by a power supply voltage, and in response, providing a second reference voltage to the second input terminal of the comparator, wherein the voltage source causes the second refere...

이 특허를 인용한 특허 피인용횟수: 15

  1. Samad, Maheen A.. Adjustable-ratio global read-back voltage generator. USP2004116815998.
  2. Satoshi Sakurai. Apparatus and method for reference voltage generator with self-monitoring. USP2002066400212.
  3. Imbornone James ; Mourant Jean-Marc. Bandgap start-up circuit. USP2001046222399.
  4. Kimura, Katsuji. CMOS reference voltage circuit. USP2005056900689.
  5. Kimura,Katsuji. CMOS reference voltage circuit. USP2007027173481.
  6. Fryer Martin A.,GBX ; Royce Dominic Charles,GBX. Current mirror for preventing an extreme voltage and lock-up. USP2001026194957.
  7. Kazunori Nishizono JP; Tatsuo Kumano JP. Current pulse receiving circuit. USP2002096456141.
  8. Nishizono, Kazunori. Current pulse receiving circuit. USP2004036714063.
  9. Chen, Chung-Kuang; Chen, Han-Sung; Hung, Chun-Hsiung. Current source with tunable voltage-current coefficient. USP2014058736358.
  10. Kim, Dae Ik; Kim, Jonghae; Kim, Moon Ju; Moulic, James R.; Song, Hong Hua. Frequency-based, active monitoring of reliability of a digital system. USP2012018094706.
  11. Doyle James T.. Low supply voltage sub-bandgap reference circuit. USP2001086281743.
  12. Hsu, Louis L.; Joshi, Rajiv V.; Houghton, Russell J.. Low-power band-gap reference and temperature sensor circuit. USP2005046876250.
  13. McClure, David C.; Yin, Rong. Power supply detection circuitry and method. USP2004066750683.
  14. Ohshima Shunzou,JPX. Semiconductor switching device with leakage current detecting junction. USP2001116313690.
  15. Perisetty, Srinivas. Variable-output current-load-independent negative-voltage regulator. USP2011017863968.