General Description  

The MIC3201 is a hysteretic step-down, constant-current, High-Brightness LED (HB LED) driver capable of driving up to four, 1A LEDs. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination applications.

Features

• 6.0V to 20V input voltage range

• High efficiency (>90%)

• ± 5% LED current accuracy

•High-side current sense

• Dedicated dimming control input

• Hysteretic control (no compensation!)

• 1A internal power switch

• Up to 1MHz switching frequency

• Adjustable constant LED current

• 5V on board regulator

• Over temperature protection

• –40°C to +125°C junction temperature range

• Available in an 8-Pin ePad SOIC package

Applications

• Architectural, industrial, and ambient lighting

•LED bulbs

• Indicators and emergency lighting

•Street lighting

•Channel letters

• 12V lighting systems (MR-16 bulbs, under cabinet lighting, garden/pathway lighting)