公开(公告)号：US08823424B1

公开(公告)日：2014-09-02

申请号：US14285038

申请日：2014-05-22

Applicant: Richtek Technology Corporation

Inventor： Pei-Kai Tseng ,  Chien-Fu Tang ,  Issac Y. Chen

IPC: H03K3/00 ,  H03L5/00 ,  H03K3/013

CPC classification number: H03K3/013 ,  H03K19/00361 ,  H03K19/018507 ,  H03L5/00

Abstract: A floating gate driver uses a single-end level shifter to translate a set signal and a reset signal induced by a rising edge and a falling edge of a switch signal to a common output terminal to generate an output voltage for a bistable circuit to generate a level shifted switch signal. Under control of a well transient detect signal asserted by detecting noise in the output voltage, a masking circuit between the single-end level shifter and the bistable circuit masks noise in the output voltage. This configuration has lower area penalty and better noise immunity.