| 主权项 |
1. A dual-polarity multiple-output boost converter comprising:
a high-side switch having an input and an output, the input to receive an input voltage; an inductor having a first terminal and a second terminal, the first terminal being coupled to the output of the high side switch; a low-side switch having an input and an output, the input of the low-side switch being coupled to the second terminal of the inductor and the output of the low-side switch to be coupled to a reference terminal; a plurality of outputs to provide a plurality of output voltages, the plurality of outputs including a first plurality of outputs to provide a first plurality of different output voltages having a first polarity and at least one second output to provide at least one second output voltage having a second polarity opposite the first polarity; a first plurality of MOSFETs each having an input terminal connected to the second terminal of the inductor and an output terminal connected to a respective one of the first plurality of outputs, the first plurality of MOSFETs including a first MOSFET having a first diode connected between the input terminal and the output terminal of the first MOSFET; at least one second MOSFET having an input terminal connected to the first terminal of the inductor and an output terminal connected to the at least one second output; and a control circuit, coupled to the high-side switch and the low-side switch, to control an on-time of the high-side switch and the low-side switch. |
