The MP7623BD, manufactured by Exar Corporation (now part of MaxLinear), is a highly integrated and efficient offline LED lighting controller. It's designed for a wide range of LED lighting applications, providing constant current output for driving LEDs with excellent performance and reliability.

Applications

• LED Bulb Replacement
• LED Downlights
• LED Tube Lighting
• General LED Lighting Applications
• Offline LED Drivers

Features

• Primary-Side Regulation (PSR): Eliminates the need for optocoupler and secondary-side control circuitry, reducing component count and cost.
• Constant Current (CC) Output: Precisely regulates the LED current, ensuring consistent brightness and long LED lifespan.
• High Power Factor Correction (PFC): Achieves high power factor, meeting stringent energy efficiency standards.
• Wide Input Voltage Range: Operates from a wide AC input voltage range, typically 85VAC to 265VAC.
• Low Total Harmonic Distortion (THD): Minimizes harmonic distortion in the input current, improving power quality.
• Overvoltage Protection (OVP): Protects the LEDs and the driver from overvoltage conditions.
• Overtemperature Protection (OTP): Shuts down the driver in case of overheating, preventing damage to the components.
• Short-Circuit Protection (SCP): Protects the driver from short-circuit conditions.
• Open-Circuit Protection: Detects open-circuit conditions and prevents damage to the circuit.
• Valley Switching Operation: Minimizes switching losses and improves efficiency.
• Package: Available in a DIP or SOP package.

Benefits

• Simplified Design: Primary-side regulation eliminates the need for complex secondary-side control circuitry.
• High Efficiency: Valley switching and optimized control algorithms ensure high efficiency.
• Long LED Lifespan: Constant current output ensures consistent brightness and extends the lifespan of the LEDs.
• Robust Protection: Comprehensive protection features safeguard the LEDs and the driver from various fault conditions.
• Cost-Effective Solution: Reduced component count and simplified design result in a cost-effective solution.

Technical Specifications

The MP7623BD is designed to operate from a wide AC input voltage range (typically 85VAC to 265VAC). It provides constant current output for driving LEDs. It features primary-side regulation, eliminating the need for optocouplers. The device includes overvoltage protection, overtemperature protection, and short-circuit protection. The package is DIP or SOP.