BD9883FV-E2 ROHM

1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE , FUNCTION 36V High voltage process 1ch control with Half-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 Mode-selectable the operating or stand-by mode by stand-by pin Absolute Maximum RatingsTa = 25 Parameter Symbol Limits Unit Supply Voltage VCC 30 V BST BST 40 V BST-ST Voltage Difference BST-SW 15 V Operating Temperature Range Topr -40+85 Storage Temperature Range Tstg -55+150 *1 550 (BD9883AF) Power Dissipation Pd mW *2 650 (BD9883FV) Maximum Junction Temperature Tjmax +150 *1 Pd derated at 4.4mW/ for temperature above Ta = 25 (When mounted on a PCB 70.0mm70.0mm1.6mm) *2 Pd derated at 5.2mW/ for temperature above Ta = 25 (When mounted on a PCB 70.0mm70.0mm1.6mm) Recommended operating condition Parameter Symbol Limits Unit Supply voltage Vcc 6.022.0 V CT oscillation frequency fCT 20150 kHz BST 4.034.0 V BST voltage BST-SW voltage difference BST-SW 4.012.0 V BCT oscillation frequency fBCT 0.100.50 kHz REV. E 2/4 Electric CharacteristicsTa=25VCC=12V Limits Parameter Symbol Unit Conditions MIN. TYP. MAX. WHOLE DEVICE Operating current Icc1 9.0 17.0 mA fCT=100kHz Stand-by current Icc2 5.0 10.0 A STAND BY CONTROL Stand-by voltage H VstH 1.7 VCC V System Stand-by voltage L VstL -0.3 0.7 V System Stand-by hysteresis Vst 0.05 0.20 0.35 V UVLO BLOCK Operating voltage VuvloH 5.15 5.40 5.65 V Shut down voltage VuvloL 4.90 5.15 5.40 V REG BLOCK REG output voltage VREG 5.30 5.50 5.70 V Vcc6.0V REG source current IREG 20.0 mA OSC BLOCK Active edge current Iact 1.35/RT 1.5/RT 1.65/RT A Negative edge current Ineg Iact10 Iact13 Iact16 A OSC Max voltage VoscH 1.8 2.0 2.2 V fCT=50kHz, fCT=120kHz OSC Min voltage VoscL1 0.2 0.4 0.6 V fCT=50kHz OSC Min voltage VoscL2 0.05 0.15 0.25 V fCT=120kHz Soft start current Iss 0.50 1.00 1.50 A SRT ON resistance RSRT 150 300 BOSC BLOCK BOSC Max voltage VBCTH 1.920 2.000 2.080 V fBCT=0.3kHz BOSC Min Voltage VBCTL 0.400 0.500 0.600 V fBCT=0.3kHz BOSC constant current IBCT 1.35/BRT 1.5/BRT 1.65/BRT A VBCT=0.2V TIMER LATCH Timer Latch voltage Vscp 1.8 2.0 2.2 V Timer Latch current Iscp 0.25 0.50 0.75 A FEED BACK BLOCK IS threshold voltage Vis 1.220 1.250 1.280 V VS threshold voltage Vvs 1.220 1.250 1.280 V IS source current 1 Iis1 0.9 A DUTY=2.0V IS source current 2 Iis2 12.0 20.0 28.0 A DUTY=0VIS=0.5V VS source current Ivs 0.9 A FB over voltage detect voltage Vovf 2.2 2.5 2.8 V IS COMP detect Voltage Visc 0.3 0.4 0.5 V OUTPUT BLOCK LN output sink current RsinkLN 15 30 LN output source current RsourceLN 30 60 HN output sink current RsinkHN 15 30 VBST-VSW=5.0V HN output source current RsourceHN 30 60 VBST-VSW=5.0V This product is not designed for normal operation with in a radio active environment. REV. E