Posted on February 12, 2010 at 09:59The release to market of the VIPer25,26 (available soon),27, and 28 of the VIPerPlus family of Off Line High Voltage converters complements the previously released VIPer15,16,17 devices.ST Advantages: 800V HV...
Posted on February 17, 2015 at 14:20 Hi, Could you provide more details on the led /string current? This data will affect the proposal for the AC-DC topology /products as well as the proposal for the CC stage. Thanks & Best Regards Fabrizio
Posted on February 28, 2013 at 09:29Hi, You can refer to AN4028 or AN3424, as two examples of ST's High Power Factor Flyback design for driving LEDs with high efficiency. Some changes are needed to fit your requirements. Thanks & Best Regards Fabr...
Posted on March 26, 2012 at 12:27Dear Mohan, The VIPerPlus family is fully supported by ST's eDesignSuite, both in Power Supply and LED Lighting application type. To use the eDesignSuite you must first register on MyST. http://www.st.com/edesig...
Posted on June 29, 2010 at 16:40Hi, Vds(st) is the maximum DC voltage that can be sustained by the internal current generator which operates the start-up of VIPer22A. So, if the voltage on the drain pin at start-up exceeds 400V, VIPer22A cannot sta...