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Browse Prior Art Database

Low Power Startup Circuits for Current Reference

IP.com Disclosure Number: IPCOM000008005D
Original Publication Date: 2002-May-10
Included in the Prior Art Database: 2002-May-10

Publishing Venue

Motorola

Related People

Authors:
Qadeer Ahmad Khan Kulbhushan Misri

Related Documents

Patent/Patent Application: Other References:
Chapter 11 - OTHER [+details]

Abstract

Three new startup circuits for current reference are proposed. Unlike conventional startup circuits, the proposed circuits completely turn off once the reference circuit is started and consumes no power in the normal operation of the reference circuits. The first two circuits operate with only power down signal while the third circuit has been implemented to work with both power down and VDD ramp up. The circuits are quite useful and economical in low power integrated circuit design. The proposed circuits can also be used in voltage reference as well and very low startup time can be achieved.