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A Low Cost Boost Converter Current Supply

IP.com Disclosure Number: IPCOM000004711D
Publication Date: 2001-Apr-16
Document File: 4 page(s) / 382K

Publishing Venue

The IP.com Prior Art Database


For applications that require a back-light for their displays or keyboards (such as those using an LED), a simple low cost constant current source is provided to supply a current load. Furthermore, when the power source for the system is a battery, the system provides a boosted voltage to operate these constant current loads.