| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently protect an output transistor while minimizing an increase in the size of the output transistor. Ž<P>SOLUTION: An overvoltage detection protective circuit 6 serving, as the protective circuit of the output transistor Tr turns off the output transistor Tr for an overvoltage applied to a drain D while monitoring the drain voltage V<SB>D</SB>of the output transistor Tr. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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