MP4050 Datasheet | Monolithic Power Systems

DESCRIPTION The MP4050 is a constant current LED driver integrated with an internal 500V MOSFET. It is specifically designed for energy efficient and low cost LED bulk replacement applications. MP4050 is designed to drive high-brightness LEDs from an 85VAC to 265VAC line. It is also useable under DC input voltage. The accurate output LED current is achieved by an averaging internal current feedback loop. Constant LED current is delivered quietly by switching the internal MOSFET at a frequency regulated above 22k Hz. MP4050 can be directly powered by the high input voltage. An internal high voltage current source regulates supply voltage without external circuitry. MP4050 features various protections like Thermal Shutdown (TSD), VCC Under Voltage Lockout (UVLO), Open Lamp Protection and Short Lamp Protection. All of there features make MP4050 an ideal solution for simple, off-line and non-isolated LED applications. MP4050 is available in the TSOT23-5 and SOIC8 packages. TYPICAL APPLICATION Non-Isolated, High Brightness, LED Driver FEATURES - Constant Current LED Driver - 500V/7.2Ω MOSFET integrated - Low Vcc Operating Current - Maximum frequency limit - Audible noise restrain - Internal High Voltage Current Source - Internal 200ns Leading Edge Blanking - Thermal Shutdown (auto restart with Hysteresis) - VCC Under Voltage Lockout with Hysteresis (UVLO) - Open Lamp Protection - Short Lamp Protection APPLICATIONS - AC/DC or DC/DC LED driver application - General Illumination - Industrial Lighting - Automotive/Decorative LED Lighting All MPS parts are lead-free, halogen free, and adhere to the Ro HS directive. For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. MP4050 Rev.1.03 .Monolithic Power. 9/19/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights...