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STEVAL-ILL045V1 Datenblatt(PDF) 1 Page - STMicroelectronics |
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STEVAL-ILL045V1 Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 4 page For further information contact your local STMicroelectronics sales office. June 2012 Doc ID 023390 Rev 1 1/4 4 STEVAL-ILL045V1 9 W, A19 format Triac dimmable, high power factor, non-isolated LED driver based on the HVLED815PF (for US market) Data brief Features ■ 9 W output, for light equal to a range from 40 W to 60 W incandescent ■ +/-5% primary-side current regulation, no optocoupler ■ Low component count - 25 parts, including the EMI filter ■ Only 1 tight-tolerance component ■ High efficiency, > 86% ■ High power factor > 0.98 and low THD, < 20% over 90 V to 132 V range ■ Fits in 28 mm tubing, 52 mm overall length ■ Dimmable with common Triac dimmer ■ RoHS compliant Description The STEVAL-ILL045V1 demonstration board showcases ST’s new LED driver chip, HVLED815PF. It solves the problem of low-cost drive circuitry for LED replacements for 40 W incandescent or equivalent compact-fluorescent lamps. The HVLED815PF is a new integrated power controller using primary-side control to achieve LED current regulation within +/-5%. (It also has primary-side voltage regulation, used here for open load protection.) The device incorporates an 800 V avalanche- rated FET and fits a standard SO-16 package. An internal startup circuit eliminates the need for external rapid-start circuitry. The PFC-flyback power converter operates in transition mode for the highest efficiency and best use of components. With the addition of a few extra components the HVLED815PF is made to draw near-sinusoidal input current from the AC line. The circuit regulates LED current over a wide range of line voltage and LED string voltage, and it is dimmable with standard Triac-based dimmers. www.st.com |
Ähnliche Teilenummer - STEVAL-ILL045V1 |
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Ähnliche Beschreibung - STEVAL-ILL045V1 |
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