The OB3392KMP is a highly integrated, cost-effective LED lighting controller designed for driving single-stage isolated or non-isolated LED lamps. Manufactured by On-Bright Electronics, it utilizes primary-side regulation (PSR) control, eliminating the need for optocouplers and simplifying the design of LED lighting systems. The OB3392KMP aims for high power factor and high efficiency in LED lighting applications.

Applications:

• LED Bulb Lighting
• LED Tube Lighting
• LED Downlights
• General-Purpose LED Lighting

Features:

• Primary-Side Regulation (PSR) Control: No optocoupler required
• High Power Factor Correction (PFC)
• Accurate Constant Current (CC) Control
• Open/Short Circuit Protection
• Over-Temperature Protection (OTP)
• Under-Voltage Lockout (UVLO)
• Cycle-by-Cycle Current Limiting
• Low Start-up Current

Benefits:

• Reduced BOM Cost: Optocoupler-free design lowers component costs
• Simplified Design: PSR control simplifies design and manufacturing
• High Efficiency: Optimized for energy efficiency
• Enhanced Reliability: Comprehensive protection features improve reliability
• High Power Factor: Minimizes harmonic distortion

Additional Details:

The OB3392KMP integrates a power MOSFET and controller into a single package, further reducing external component count and overall system cost. The PSR control ensures accurate output current regulation without secondary-side feedback. Protection features like open-circuit, short-circuit, over-temperature, and under-voltage lockout enhance system safety and reliability. A low start-up current minimizes inrush current during power-up, improving system stability. It’s designed for energy-efficient LED lighting applications and meets international safety standards. The accurate constant current control provides uniform brightness across multiple LEDs, critical for lighting. High efficiency translates to lower operating temperatures and a longer lifespan for the LED lighting product.

The device's integrated high power factor correction (PFC) feature plays a critical role in minimizing harmonic distortion, ensuring compliance with stringent regulatory requirements. This is particularly important in modern lighting installations where power quality and energy efficiency are paramount.