High Performance,TRIAC dimmable, Non-isolated Offline LED Controller
The DX3580 is a high performance, single-stage powerfactor (PF) corrected AC/DC controller designed for off-lineTRIAC dimmable LED lighting applications.The DX3580adopts high precise LED current controlling that it is intendedfor non-isolated Buck and Buck-Boost applications.
The DX3580 implements a unique LED currentcontrolling algorithm to maintain accurate output current regulation.The DX3580 operates in Boundary Conduction Mode(BCM) with the valley switching and power factorcorrection features to get easy Electromagnetic Interference(EMI) and low total harmonic distortion.
The DX3580 built-in multiple protections: Softstart-up,OCP,UVLO, high temperature foldback, OVP and Output short-circuit protection.
Design for BUCK/BUCK BOOST topology
Compatible with 120VAC/230VAC phase-cut dimmers
Deep dimming & 0~100% dimming range
Built-in logarithm dimming curve
Lowest start up current(<100uA)
High Power Factor Correction(PF>0.9)
Low Harmonic Distortion(THD<20%)
Accurate current line & load regulation(<±3%)
Quasi-Resonant switching mode
Available in SOIC-8/DIP8 package
Protections
- Cycle-by-Cycle Current Limit
- Over Current Protection
- Output over voltage protection
- Output short circuit protection
- High Temperature foldback
- Abnormal over current protect(AOCP)
- Soft start-up for reduced voltage & current stress
文檔名稱 | 文檔描述 | 下載 |
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DX3580_EN_A1 | 756KB |
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