| 摘要 |
The end stage has a load (L) coupled in series with the source/drain path of a power FET (FET) across a voltage source (Q), with a voltage coupler connected between the drain and gate of the FET (FET). The load current circuit has a control transistor switch (T1) parallel to the FET gate/source path and the load (L), in series with a diode (D1) and a resistor (R1). This is bridged by a diode (D2) and a capacitor (C), with a second resistor (R2) coupling the junction between them to the FET gate.
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