Invention Grant
- Patent Title: Semiconductor device having voltage generation circuit
- Patent Title (中): 具有电压产生电路的半导体装置
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Application No.: US14518246Application Date: 2014-10-20
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Publication No.: US09436195B2Publication Date: 2016-09-06
- Inventor: Shinya Sano , Yasuhiko Takahashi , Masashi Horiguchi
- Applicant: Renesas Electronics Corporation
- Applicant Address: JP Tokyo
- Assignee: RENESAS ELECTRONICS CORPORATION
- Current Assignee: RENESAS ELECTRONICS CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Shapiro, Gabor and Rosenberger, PLLC
- Priority: JP2012-129683 20120607
- Main IPC: G05F1/10
- IPC: G05F1/10 ; G05F3/02 ; G05F1/46 ; G05F3/30

Abstract:
The present invention provides a voltage generation circuit which outputs high-precision output voltage in a wide temperature range. A semiconductor device has a voltage generation circuit. The voltage generation circuit has a reference voltage generation circuit which outputs reference voltage, and a plurality of correction circuits for generating a correction current and making it fed back to the reference voltage generation circuit. The correction circuits generate sub correction currents which monotonously increase from predetermined temperature which varies among the correction circuits toward a low-temperature side or a high-temperature side. The correction current is sum of a plurality of sub correction currents.
Public/Granted literature
- US09405306B2 Semiconductor device having voltage generation circuit Public/Granted day:2016-08-02
Information query
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