Patent Number: 6,281,742

Title: Substrate voltage detection control circuit

Abstract: A substrate voltage detection control circuit is disclosed. The circuit includes a substrate voltage detector detecting a substrate voltage from a charge pump, and a control circuit separately operating the substrate voltage detector in accordance with an operation mode of a chip, for thereby sensitively reacting to the variation of the substrate voltage by turning on a substrate voltage detector in the active mode.

Inventors: Sung; Ha Min (Choongcheongbuk-Do, KR)

Assignee: Hyundai Electronics Industries Co., Ltd.

International Classification: H02M 3/07 (20060101); H02M 3/04 (20060101); G05F 001/10 ()

Expiration Date: 08/28/2018