Patent ID: 7656096
Filing Date: 2010-02-02
Classification: H05B,Y02B

Abstract:
1. An electronic ballast circuit, comprising: an encapsulating package for the entire circuit; a first external connection extending out of said encapsulating package for receiving power from a power supply to power the electronic ballast circuit, said first external connection coupled to a high side node of an internal power switching unit of said electronic ballast circuit; a second external connection extending out of said encapsulating package for supplying power to a resonant load, said second external connection coupled to a switch node of said internal power switching unit; and a third external connection extending out of the package for connection to a common reference to provide a return power path, said third external connection coupled to a low side node of said internal power switching unit; wherein said first external connection, said second external connection, and said third external connection comprise all external power connections to the encapsulated circuit.