发明名称 |
Constant voltage generating circuit |
摘要 |
A constant voltage generating circuit which uses a band gap reference circuit to produce a constant voltage and which is effective at reducing driving voltage and noise. The voltage generating circuit has a plurality of first bipolar transistors including n first bipolar transistors, each having an emitter area. The voltage generating circuit also includes a plurality of second bipolar transistors including n second bipolar transistors. Each of the n second bipolar transistors has an associated emitter area greater than the emitter area of each of the plurality of the first bipolar transistors. The constant voltage generating circuit produces a constant output voltage that is independent of temperature and the number of first and second transistors.
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申请公布号 |
US7071766(B2) |
申请公布日期 |
2006.07.04 |
申请号 |
US20030725436 |
申请日期 |
2003.12.03 |
申请人 |
ASAHI KASEI MICROSYSTEMS CO., LTD. |
发明人 |
NEMOTO KENJI |
分类号 |
G05F1/46;G05F3/30;G05F3/16;G05F3/26;H03F3/343 |
主分类号 |
G05F1/46 |
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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