BD9211F

STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT LED Driver control IC TYPE ＢＤ９２１１Ｆ FEATURE ・ Using 20V high-voltage-withstand process ・ 1Channel 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 1/4 ○Absolute Maximum Ratings (Ta=25℃) Item Symbol Rated voltage Unit Power supply voltage VCC 20 V Driver Output Operating temperature Storage temperature range Maximum Junction Temperature N1,N2 Topr Tstg Tjmax 20 -40～+85 -55～+150 +150 V ℃ ℃ ℃ Power Dissipation Pd 687* mW * It reduces gradually by 5.5 mW/℃ if above Ta= 25℃ (when mounting the board of 70.0mm×70.0mm×1.6mm) Recommended Operation Ranges Item Power Supply PWMIN input frequency range Output frequency Symbol VCC F_PWMIN FOUT Range 8.0～18.0 60～500 25～200 Unit V Hz kHz REV. A ○Electrical Characteristics (VCC=12V, Ta=25℃) Parameter （（WHOLE DEVICE）） Circuit current during operation Circuit current during stand by operation （（STAND BY CONTROL）） Stand-by voltage H Stand-by voltage L （（VCC UVLO BLOCK）） Operating voltage (VCC) Hesteresis width (VCC UVLO) （（OSC BLOCK）） RT Output Voltage （（PWMIN BLOCK）） PWMIN pin H level input voltage range ...