发明名称 |
Electronic circuit, semiconductor device, electronic equipment, and timepiece |
摘要 |
A constant-voltage generation circuit 100 creates a constant voltage. This constant-voltage generation circuit 100 comprises a first voltage creation circuit 110 for creating a reference voltage and a second voltage creation circuit 130 for creating the constant voltage which has a predetermined relationship with the reference voltage. The first voltage creation circuit 110 comprises a first constant-current source 150-1 for supplying a constant current and a first voltage-control transistor 112, through which this constant current flows, for outputting the reference voltage on the basis of a predetermined potential. The constant current is set to a value within the saturated operating region of the first voltage control transistor 112.
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申请公布号 |
US6686792(B2) |
申请公布日期 |
2004.02.03 |
申请号 |
US20020061175 |
申请日期 |
2002.02.04 |
申请人 |
SEIKO EPSON CORP |
发明人 |
NAKAMIYA SHINJI;KADOWAKI TADAO;MAKIUCHI YOSHIKI |
分类号 |
G04G19/00;G05F1/46;G05F1/56;G05F1/618;G05F3/24;(IPC1-7):G05F1/10 |
主分类号 |
G04G19/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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