WS9221ProductDescription High Precision PSR Const.
WS9221B - High Precision PSR Constant Current LED Driver
WS9221BProductDescription High Precision PSR Constant Current LED Driver Features Built-in650V Power MOSFET Constant current control without sec.WS9221 - High Precision PSR Constant Current LED Driver
WS9221ProductDescription High Precision PSR Constant Current LED Driver Features Built-in650V Power MOSFET Constant current control without seco.