Integrated Memory Logic, Inc.

Ding Hsu Yen

Henry H Yuan

Wei Zhang

Various circuits, including DC/DC converters can include an integrated soft-start circuit. The integrated soft-start circuit includes a PMOS transistor configured to receive a reference signal and control the current to a bipolar junction transistor when the reference signal is in a first state. First and second NMOS transistors are included in the soft-start circuit, and receive the reference signal to turn off (to release from reset) when the reference signal is in the first state. A capacitor coupled in parallel with one of the NMOS transistors controls the soft-start signal. Various different transistors types can be used depending on the desired implementation.

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Ding Hsu Yen