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Home » NEWEST Products » New by Manufacturer » Monolithic Power Systems (MPS) » MP4050 LED Driver - Monolithic Power Systems
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Monolithic Power Systems MP4050 LED Driver

Monolithic Power Systems MP4050 LED Driver

Monolithic Power Systems 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 22kHz. 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.


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

Typical application circuit
Typical application circuit

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