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MP4688 – 80V DC/DC BUCK LED DRIVER

2010-10-11
MP4688 is an 80V DC/DC Buck LED driver. The device can drive constant current of up to 1A to high power LEDs. The wide 4.5V to 80V input range accommodates a variety of step-down applications, making it ideal for Industrial, Automotive and general Lighting applications.

Hysteretic current mode control is applied for very fast response, which enables a 20kHz dimming frequency. MPS’s proprietary feedback control scheme minimizes the number of external components to 5, while delivering a LED current with typical ±3% accuracy. The switching frequency is up to 2MHz, thus allowing for small component size. The thermal shut down, short circuit protection, and optional output voltage limitation provide reliable, fault tolerant operations.

The MP4688 is available in SOIC8 with exposed pad package.

A19
Imp_2_2010_A19_MPS_LED Treiber_MP4688_TAC_Bild1.jpg

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