General Description  
The MIC3230/1/2 are constant current boost switching controllers specifically designed to power one or more
strings of high power LEDs. The MIC3230/1/2 have an input voltage range from 6V to 45V and are ideal for a
variety of solid state lighting applications.

FEATUREs
• 6V to 45V input supply range
• Capable of driving up to 70W
• Ultra low EMI via dithering on the MIC3231
• Programmable LED drive current
• Feedback voltage = 250mV ±3%
• Programmable switching frequency (MIC3230/1) or 400kHz fixed frequency operation (MIC3232)
• PWM Dimming and separate enable shutdown
• Frequency synchronization with other MIC3230s
• Protection features:
   Over Voltage Protection (OVP)
   Over temperature protection
   Under-voltage Lock-out (UVLO)
• Packages:
• –40°C to +125°C junction temperature range

APPLICATIONs
•Street Lighting
• Solid State Lighting
•General Illumination
•Architectural Lighting
• Constant Current Power Supplies