公开(公告)号：US20230045744A1

公开(公告)日：2023-02-09

申请号：US17709853

申请日：2022-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinook JUNG ,  Jaewoo PARK ,  Junhan CHOI ,  Myoungbo KWAK ,  Junghwan CHOI

IPC: G05F1/575 ,  G11C11/4074 ,  G11C11/4093 ,  G11C11/4076

Abstract: Disclosed is a low dropout regulator which includes a first resistor, a first transistor including a gate terminal connected with a first end of the first resistor, a source terminal connected with a power supply voltage terminal, and a drain terminal connected with a first node, an operational amplifier including input terminals respectively connected with a reference voltage and the first node and an output terminal, a second transistor including a gate terminal connected with the output terminal of the operational amplifier, a source terminal connected with the first node, and a drain terminal connected with a second node, a third transistor including a gate terminal connected with a second end of the first resistor, a source terminal connected with the power supply voltage terminal, and a drain terminal connected with a third node, and a current source connected between the second node and a ground voltage terminal.