发明名称 |
Power supply control apparatus |
摘要 |
<p>A power supply control apparatus (2) includes: an output transistor (T1) coupled between a first power supply line and an output terminal (OUT), the output terminal (OUT) being configured to be coupled with a load (11); a protection transistor (MN8) coupled between a gate of the output transistor and a second power supply line; a negative voltage control unit (20) coupled between the first power supply line and the gate of the output transistor; a compensation transistor (MN7) bringing the second power supply line and the output terminal (OUT) into a conduction state when a counter electromotive voltage from the load is applied to the output terminal (OUT); and a back gate control circuit (18) that controls the second power supply line and a back gate of each of the compensation transistor (MN7) and the protection transistor (MN8) to be brought into a conduction state in a standby state when the polarity of the power supply is normal.</p> |
申请公布号 |
EP2323260(B1) |
申请公布日期 |
2013.09.04 |
申请号 |
EP20100014293 |
申请日期 |
2010.11.04 |
申请人 |
RENESAS ELECTRONICS CORPORATION |
发明人 |
NAKAHARA, AKIHIRO |
分类号 |
H03K17/082;H02H11/00;H03K17/06 |
主分类号 |
H03K17/082 |
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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