BD9243MUV Datasheet | ROHM

1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION ＢＤ９２４３ＭＵＶ - - - - - - - - - - 36V High voltage process 1ch control with Full-Bridge Lamp current and voltage sense feed back control Sequencing easily achieved with Soft Start Control Short circuit protection with Timer Latch Under Voltage Lock Out Circuit protection with quick Shutdown Mode-selectable the operating or stand-by mode by stand-by pin BURST mode controlled by PWM and DC input VQFN024V4040 small package ○Absolute Maximum Ratings（Ｔａ＝２５℃） Parameter Supply Voltage BST PIN SW PIN BST-SW voltage difference Operating Temperature Range Storage Temperature Range Maximum Junction Temperature Power Dissipation - Symbol VCC BST SW BST-SW Topr Tstg Tjmax Pd Limits 36 40 36 15 -40～+85 -55～+150 +150 700- Unit V V V V ℃ ℃ ℃ m W Pd derate at 5.6m W/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.0mm×70.0mm×1.6mm) 〇Operating condition Parameter Supply voltage BST voltage BST-SW voltage difference oscillation frequency BCT oscillation frequency Symbol VCC BST BST-SW FOUT f BCT Limits 8.0～30.0 5.0～37.5 5.0～14.0 30～110 0.05～1.00 Unit V V V k Hz k Hz .. REV. A 2/4 ○Electric Characteristics（Ta=25℃、VCC=24V、STB=3.0V） Parameter （ （WHOLE DEVICE） ） Operating current Stand-by current （ （STAND BY CONTROL） ） Stand-by voltage H Stand-by voltage L （ （VCC UVLO BLOCK） ） Operating voltage (VCC) Hesteresis width (VCC UVLO) （ （REG BLOCK） ） REG output voltage REG source current （ （OSC BLOCK） RT Output Voltage SRT ON Resistor value （ （SOFT START BLOCK） ） Soft start Charge Current SS term start voltage SS term end voltage （ （BOSC BLOCK） ） BOSC Max voltage BOSC Min voltage BOSC frequency （ （FEED BACK BLOCK） ） IS threshold voltage VS threshold voltage IS source current 1 IS source current 2 VS source current IS P detect voltage （ （OUTPUT BLOCK） ） LN output sink resistance LN output source resistance HN output sink resistance HN output source resistance MAX DUTY OFF...