SM7307 is an efficient PWM-LED constant current drive control chip with an internal integrated power tube. It is suitable for the full range of input voltage from 85Vac to 265Vac, and the constant current accuracy is less than ±3%. The chip is powered directly from the input terminal and does not require an auxiliary winding to provide power.
Features
•Input voltage: 85Vac~265Vac
•Constant current accuracy <±3%
•Efficiency>90%
•Integrated 500V power tube
•Output short-circuit protection function
•Output open-circuit protection function
•With over-temperature adjustment function
•Non-isolation topology
•No need Compensation components
• Few peripheral components, low BOM cost
• Package type: SOP8
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