A linear voltage regulator includes a voltage input and a voltage output. The linear voltage regulator includes a buffer having a voltage node, an input node, an output node and a control node and a power transistor having a control node coupled to the output node of the buffer, an input node coupled to the voltage input and an output node coupled to the voltage output. The linear voltage regulator includes a dropout detection module having a control node coupled to the control node of the power transistor, a voltage input node coupled to the voltage input, a voltage output node coupled to the voltage output and an output node. The linear voltage regulator includes a feedforward module having an input node coupled to the output node of the dropout detection module and an output node coupled to the control node of the buffer.

A voltage adjustment apparatus, a chip, a power source, and an electronic device. The apparatus comprises: a voltage input module, used for receiving an input voltage; a current determining module, electrically connected to the voltage input module and used for determining an adjustment current on the basis of the input voltage and a load current; a control module, electrically connected to the current determining module and used for outputting a control signal on the basis of the adjustment current; and a voltage output module, electrically connected to the voltage input module, the current determining module, and the control module, and being used for outputting a target voltage on the basis of the control signal and the input voltage.

A voltage adjustment apparatus, a chip, a power source, and an electronic device. The apparatus comprises: a voltage input module, used for receiving an input voltage; a current determining module, electrically connected to the voltage input module and used for determining an adjustment current on the basis of the input voltage and a load current; a control module, electrically connected to the current determining module and used for outputting a control signal on the basis of the adjustment current; and a voltage output module, electrically connected to the voltage input module, the current determining module, and the control module, and being used for outputting a target voltage on the basis of the control signal and the input voltage.

A circuit includes a voltage divider circuit configured to generate a feedback voltage according to an output voltage, an operational amplifier configured to output a driving signal according to the feedback voltage and a reference voltage and a pass gate circuit including multiple current paths. The current paths are controlled by the driving signal and connected in parallel between the voltage divider circuit and a power reference node.

A circuit includes a voltage divider circuit configured to generate a feedback voltage according to an output voltage, an operational amplifier configured to output a driving signal according to the feedback voltage and a reference voltage and a pass gate circuit including multiple current paths. The current paths are controlled by the driving signal and connected in parallel between the voltage divider circuit and a power reference node.

In one aspect, a voltage regulator is disclosed, which comprises a first voltage regulator unit configured for regulating a voltage generated by a positive high voltage source, a second voltage regulator unit configured for regulating a voltage generated by a negative high voltage source, a polarity switch for connecting said first and second voltage regulator units to said positive and negative high voltage sources, respectively, and an output voltage port for receiving a regulated positive and negative high voltage from said first and said second voltage regulator units, respectively.

In one aspect, a voltage regulator is disclosed, which comprises a first voltage regulator unit configured for regulating a voltage generated by a positive high voltage source, a second voltage regulator unit configured for regulating a voltage generated by a negative high voltage source, a polarity switch for connecting said first and second voltage regulator units to said positive and negative high voltage sources, respectively, and an output voltage port for receiving a regulated positive and negative high voltage from said first and said second voltage regulator units, respectively.

The present document relates to a power converter comprising an inductor, a first stage, and a second stage. The first stage may be coupled between an input of the power converter and the inductor, and the first stage may comprise a first flying capacitor. The second stage may be coupled between the inductor and an output of the power converter, and the second stage may comprise a second flying capacitor. A second terminal of the first flying capacitor may be connected to a first terminal of the inductor, and a first terminal of the second flying capacitor may be connected to a second terminal of the inductor.

The present document relates to a power converter comprising an inductor, a first stage, and a second stage. The first stage may be coupled between an input of the power converter and the inductor, and the first stage may comprise a first flying capacitor. The second stage may be coupled between the inductor and an output of the power converter, and the second stage may comprise a second flying capacitor. A second terminal of the first flying capacitor may be connected to a first terminal of the inductor, and a first terminal of the second flying capacitor may be connected to a second terminal of the inductor.

The present document relates to a power converter comprising an inductor, a first stage, and a second stage. The first stage may be coupled between an input of the power converter and the inductor, and the first stage may comprise a first flying capacitor. The second stage may be coupled between the inductor and an output of the power converter, and the second stage may comprise a second flying capacitor. A second terminal of the first flying capacitor may be connected to a first terminal of the inductor, and a first terminal of the second flying capacitor may be connected to a second terminal of the inductor.