| 摘要 |
A shunting regulator which is configured to act as a switch. The regulator includes an enabling input which can be used to turn it on and off when the switch is desired to be closed and opened. Preferably, the regulator includes a switching transistor connected to the enabling input which activates a drive transistor circuit. A current mirror is connected to the regulator output and provides current to both the drive circuit and a differential amplifier used for error correction. The two transistors of the differential amplifier are connected to first and second resistor divider circuits to provide the appropriate reference voltages. The invention thus provides what is essentially an adaptive current drive with a high dynamic range.
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