Datenblatt-Suchmaschine für elektronische Bauteile |
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STQ3N45K3-AP Datenblatt(PDF) 3 Page - Texas Instruments |
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STQ3N45K3-AP Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 26 page User's Guide SLUU937 – May 2012 LM3447-A19-120VEVM is a Phase-Dimmable, Primary-Side Regulated LED Driver 1 Introduction The LM3447-A19-120VEVM is a 10-W, 120-V AC isolated dimmable LED driver whose form factor intended for A19/R27 applications. 2 Description The LM3447-A19-120VEVM is a primary-side power regulated PFC controller used for commercial and residential phase-cut dimmer compatible LED lamp drivers. The LM3447-A19-120VEVM uses fixed frequency valley switching operation resulting in discontinuous current operation. 2.1 Typical Applications • A19 Bulb Form Factor • R27 Bulb Form Factor 2.2 Features • Primary-Side Control • Leading and Trailing Edge Compatible • 50:1 Dimming Range • Valley Switching • Fixed Frequency Discontinuous Operation • Thermal Foldback • PFC • Efficient Triac Hold Current Operation • LED Short and Open Circuit Detection • Thermal Foldback • Constant Power Operation 3 SLUU937 – May 2012 LM3447-A19-120VEVM is a Phase-Dimmable, Primary-Side Regulated LED Driver Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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