BD9211F - LED Driver control IC - ROHM Datasheet

・ Using 20V high-voltage-withstand process
・ 1 Channel Push-Pull control
・ Current and voltage feedback is controlled
   by drive frequency modulation  ・ Built-in soft start circuit
・ Built-in timer latch circuit
・ Built-in shut down protection
・ Built-in UVLO detection circuit
・ Output Over Voltage Protection
・ Built-in error signal output function
・ Switching to current consumption save mode through STB pin
・ Possible to control the burst by external PWM