BD9882FV-E2 ROHM

1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE , FUNCTION 1ch control with Push-Pull 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 Short circuit protection with over voltage Mode-selectable the operating or stand-by mode by stand-by pin Synchronous operating the other BD9882F or BD9882FV ICs BURST mode controlled by PWM and DC input Absolute Maximum RatingsTa = 25 Parameter Symbol Limits Unit Supply Voltage VCC 15 V Operating Temperature Range Topr -40+95 Storage Temperature Range Tstg -55+125 *1 550 (BD9882F) Power Dissipation Pd mW *2 650 (BD9882FV) Maximum Junction Temperature Tjmax +125 *1 Pd derate at 5.5mW/ for temperature above Ta = 25 (When mounted on a PCB 70.0mm70.0mm1.6mm) *2 Pd derate at 6.5mW/ for temperature above Ta = 25 (When mounted on a PCB 70.0mm70.0mm1.6mm) Recommended operating condition Parameter Symbol Limits Unit Supply voltage Vcc 5.014.0 V CT oscillation frequency fCT 20150 kHz BCT oscillation frequency fBCT 0.100.50 kHz Status of this document The Japanese language version of this document shall be the official specification. Any translation of this document shall be for reference only. REV. A 2/4 Electric CharacteristicsTa=25VCC=7V Limits Parameter Symbol Unit Conditions MIN. TYP. MAX. WHOLE DEVICE Operating current Icc1 8 16 mA CT=0.5V Stand-by current Icc2 2 10 A OVER VOLTAGE DETECT FB over voltage detect voltage Vovf 2.20 2.40 2.60 V STAND-BY CONTROL Stand-by voltage H VstH 1.8 VCC V System Stand-by voltage L VstL -0.3 0.8 V System TIMER LATCH Timer Latch voltage Vcp 1.9 2.0 2.1 V Timer Latch current Icp 0.5 1.0 1.5 A OSC BLOCK OSC constant current ICT 1.35/RT 1.5/RT 1.65/RT A VoscH 1.8 2.0 2.2 V fCT=60kHz OSC Max voltage VoscL 0.3 0.5 0.7 V fCT=60kHz OSC Min voltage MAX DUTY MAXDUTY 44 46.5 49 % fCT=60kHz Iss 1.0 2.0 3.0 A Soft start current IS COMP detect Voltage Visc 0.45 0.50 0.55 V SS COMP detect voltage Vss 2.0 2.2 2.4 V SRT ON resistance RSRT 200 400 UVLO BLOCK Operating voltage VuvloH 4.000 4.200 4.400 V Shut down voltage VuvloL 3.800 4.000 4.200 V FEED BACK BLOCK IS threshold voltage Vis 1.225 1.250 1.275 V Vvs 1.220 1.250 1.280 V VS threshold voltage IS source current 1 Iis1 1.5 A DUTY=2.0V IS source current 2 Iis2 13.0 20.0 27.0 A DUTY=0VIS=0.5V VS source current Ivs 1.0 A Output BLOCK Output voltage VoutNH VCC-0.3 VCC-0.1 V Output voltage L VoutNL 0.1 0.3 V Output sink resistance RsinkN 8 16 Isink = 10mA Output source resistance RsourceN 10 20 Isource = 10mA Drive output frequency FN 58.5 60.0 61.5 kHz RT=18k CT=400pF BURST MODE BOSC Max voltage VburH 1.94 2.0 2.06 V fBCT=0.2kHz BOSC Min Voltage VburL 0.4 0.5 0.6 V fBCT=0.2kHz BOSC constant current Iburosc 1.35/BRT 1.5/BRT 1.65/BRT A BOSC frequency FBOSC 261 275 289 Hz BRT=33k BCT=0.051F REG BLOCK REG output voltage VREG 3.038 3.100 3.162 V REG source current IREG 5.0 mA COMP BLOCK Over voltage detect VCOMPH 2.20 2.5 2.80 V Under voltage detect VCOMPL 0.590 0.640 0.690 V FAIL PIN Normal output voltage VPH 0.45 0.5 0.55 V Protect output voltage VPL 2.9 3.1 3.3 V Protect cancel voltage detect VFAIL 0.36 0.40 0.44 V This product is not designed for normal operation with in a radio active environment. REV. A