Integrated circuit comprising a voltage generator and a circuit limiting the voltage supplied by the voltage generator

A voltage generator, comprising:

• a voltage generator circuit having an output;
• a load coupled to the output;
• a diode structure having a first terminal coupled to the load at a node and a second terminal coupled to a reference potential;
• and
• a switch coupled to the output and to the reference potential, the switch having a control terminal coupled to the node.

A voltage generator, comprising:

• a voltage generator circuit having an output;
• a first MOS transistor coupled to the output and to a node, the MOS transistor having a gate also coupled to the node;
• a second MOS transistor coupled to the node and to a ground reference potential, the second MOS transistor having a gate coupled to the ground reference potential;
• and
• a third MOS transistor coupled to the output and to a fourth MOS transistor, the third MOS transistor having a gate coupled to the node and the fourth MOS transistor coupled to the ground reference potential and having a gate coupled to a voltage source, the third MOS transistor is current-mirror arranged with the first MOS transistor.

A voltage generator, comprising:

• a voltage generator circuit having an output;
• a first resistive element coupled to the output and to a first node;
• a first MOS transistor coupled to the resistor and a ground reference potential, the second MOS transistor having a gate coupled to the ground reference potential;
• a second MOS transistor coupled to the output and to a second node, the second MOS transistor having a gate coupled to the first node;
• a second resistive element coupled to the second node and to the ground reference potential;
• and
• a third MOS transistor coupled to the output and to the ground reference potential and having a gate terminal coupled to the second node.

A voltage generator, comprising:

• a voltage generator circuit having an output;
• a first MOS transistor coupled to the output and to a first node and having a gate terminal coupled to a first voltage source;
• a diode structure coupled to the first node and a ground reference potential;
• a second MOS transistor coupled to the output and the ground reference potential and having a gate terminal coupled to the first node;
• a third MOS transistor coupled to the output and to a second node and having a gate terminal coupled to the first node;
• a first resistive element coupled to the second node and to the ground reference potential;
• and
• an inverter coupled to the second node and having an output terminal.

A voltage generator, comprising:

• a voltage generating circuit adapted to generate an output voltage on an output thereof;
• a trigger stage coupled between the output and a reference potential, the trigger stage configured to couple the output to the reference potential when the output voltage reaches a breakdown voltage;
• and
• a limiting stage coupled between the output and the reference potential and to the trigger stage, the limiting stage limiting current in the trigger stage when the output voltage reaches the breakdown voltage.