公开(公告)号：US20190235560A1

公开(公告)日：2019-08-01

申请号：US16383247

申请日：2019-04-12

Applicant: Avnera Corporation

Inventor： Christopher Donald Nilson

IPC: G05F3/16 ,  H03K17/687

CPC classification number: G05F3/16 ,  G05F1/468 ,  H03K17/687

Abstract: A start-up circuit for a bandgap reference voltage generator circuit, including a first native transistor with a drain connected to a supply voltage of the bandgap reference voltage generator circuit and a source connected to a gate of the first native transistor; a low voltage transistor with a source connected to ground, a drain connected to the source of the first native transistor, and a gate connected to a resistor; a second native transistor with a source connected to the resistor, a gate connected to the source of the first native transistor; a high voltage transistor with a drain connected to a drain of the second native transistor and a source connected to the supply voltage; and a transistor with a gate connected to the gate of the first high voltage transistor and a drain which provides a start-up current for the bandgap reference voltage generator circuit.