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STMicroelectronics can provide semiconductor products for supply and control of every LED type, from single Super High Brightness LEDs in a spotlight to many thousands of HB LEDs in large arrays, from either AC-Mains or Batteries. ST's extensive lighting portfolio includes Power Factor Controller ICs, Power Discretes, Micro Controllers, and monolithic DC LED drivers. Click here to view Anglia's ST LED driver guide.
Some example application notes are included below. VIPower: Offline constant current LED driver using VIPer12/22A Using integrated offline switching regulators like the VIPer12A and VIPer22A in a constant current configuration, a low cost, high efficient LED driver for multiple LEDs has been developed. Click here to view this application note.
High intensity LED driver using the L5970D/L5973D For applications that are powered from low voltage AC sources typically used in landscape lighting or low voltage DC sources that may be used in automotive applications or to meet safety requirements, high efficiency DC-DC converters configured for constant output current provide a high efficiency driver that can operate over a relatively wide range of input voltages to drive series strings of one to several LEDs. Click here to view this application note.
Low voltage LED driver using L6920D, L4971 and L6902D STMicroelectronics has developed a non-isolated DC-DC constant current LED driver to aid designers in developing a low cost and efficient platform for driving high brightness LEDs. The application note will cover 3 DC-DC power supplies to drive high intensity LEDs.
Click here to view this application note.
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