MP4000 Datasheet White LED Driver Controller

Manufacturer: Monolithic Power Systems

Datasheet Details

The MP4000 is a high efficiency step-down converter designed for driving high brightness Light Emitting Diodes (LEDs).

The MP4000 drives an external MOSFET in the floating buck converter structure.

The inductor current is regulated with boundary conduction mode which

MP4000 Offline High Brightness White LED Driver Controller.

no reverse recovery loss in the freewheeling diode and soft turn on for the power MOSFET. Such operation mode can achieve very high efficiency and at the same time minimize the inductor value and size. Also, the LED current can be well regulated by controlling the MOSFET peak current, which is sensed through an external resistor. Its low 300mV feedback voltage reduces power loss and improves efficiency. The MP4000 can accept an external PWM or a DC signal for the burst dimming control. The MP400.

Part Number	Description
MP4000DS	White LED Driver Controller
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MP4001DS	Universal Input High Brightness White LED Driver
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MP4012	High-Current Accuracy WLED Controller
MP4012DS	High-Current Accuracy WLED Controller
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MP4027	Offline LED Controller