BD9896FV-E2 ROHM

1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION 2ch control with Push-Pull Lamp current and voltage sense feed back control Sequencing easily achieved with Soft Start Control Circuit protection with Timer Latch Under Voltage Lock Out Over Voltage Protection Mode-selectable the operating or stand-by mode by stand-by pin BURST mode controlled by PWM and DC input Output linear Controllable Analog dimming by external DC voltage Synchronous operating the other several BD9896FV ICs Absolute Maximum RatingsTa = 25 Parameter Symbol Limits Unit Supply Voltage VCC 15 V Operating Temperature Range Topr -40+90 Storage Temperature Range Tstg -55+150 * Power Dissipation Pd 1062 mW Maximum Junction Temperature Tjmax +150 * Pd derated at 8.5mW/ for temperature above Ta = 25 (When mounted on a PCB 70.0mm70.0mm1.6mm) Recommended operating condition Parameter Symbol Limits Unit Supply voltage VCC 6.014.0 V Output oscillation frequency fout 2590 kHz BCT oscillation frequency fBCT 0.051.00 kHz Status of this document The Japanese version of this document is the official specification. Please use the translation version of this document as a reference to expedite understanding of the official version. If these are any uncertainty in translation version of this document, official version takes priority. REV. C 2/4 Electric CharacteristicsTa=25VCC=7V Limits Parameter Symbol Unit Conditions MIN. TYP. MAX. WHOLE DEVICE Operating current Icc1 17.0 mA CT SYNC IN=Low Stand-by current Icc2 10 A CT SYNC IN=OPEN OVER VOLTAGE DETECT FB over voltage detect voltage Vovf 2.20 2.40 2.60 V STAND BY CONTROL Stand-by voltage L VstL -0.3 0.8 V Input voltage range of Slave setting VstH1 1.8 - 2.25 V Input voltage range of Master setting VstH2 2.55 - VCC V TIMER LATCH Timer Latch voltage Vcp 1.9 2.0 2.1 V Timer Latch current Icp 0.5 1.0 1.5 A BURST MODE BOSC Max voltage VburH 1.94 2.0 2.06 V fBCT=0.3kHz BOSC Min Voltage VburL 0.4 0.5 0.6 V fBCT=0.3kHz BOSC constant current IBCT 1.35/BRT 1.5/BRT 1.65/BRT A BOSC frequency fBCT 292.5 300 307.5 Hz BRT=36k BCT=0.048F OSC BLOCK MAX DUTY MAXDUTY 44 46.5 49 % fout=60kHz Soft start current Iss 1.0 2.0 3.0 A IS COMP detect Voltage Visc 0.45 0.50 0.55 V SS COMP detect voltage Vssc 2.0 2.2 2.4 V SRT ON resistance RSRT 200 400 UVLO BLOCK Detect voltage (VCC UVLO) Vcc vuvlo 5.100 5.300 5.500 V Hysteresis width (VCC UVLO) Vcc vuvlo 0.150 0.200 0.250 V Operating voltage (UVLO) Vuvlo 2.260 2.340 2.420 V Hysteresis width (UVLO) Vuvlo 0.075 0.100 0.125 V REG BLOCK REG output voltage VREG 3.038 3.100 3.162 V REG source current IREG 5.0 mA FEED BACK BLOCK VREF pin:OPEN,REG is shorted IS threshold voltage Vis 1.225 1.250 1.275 V VREF pin is supplied IS threshold voltage Vis VREFIN VIS V VS threshold voltage Vvs 1.220 1.250 1.280 V IS source current 1 Iis1 1.5 A DUTY=2.2V IS source current 2 Iis2 13.0 20.0 27.0 A DUTY=0VIS=0.5V VS source current Ivs 1.0 A Over 1.25V is not VREF input voltage range VREF IN 0.6 1.6 V effective OUTPUT BLOCK NB output voltage VoutNBH VCC-0.3 VCC-0.1 V NA output voltage VoutNAH VCC-0.3 VCC-0.1 V NB output voltage L VoutNBL 0.1 0.3 V NA output voltage L VoutNAL 0.1 0.3 V NB output sink resistance RsinkNB 5 10 Isink = 10mA NB output source resistance RsourceNB 8 16 Isource = 10mA NA output sink resistance RsinkNA 5 10 Isink = 10mA NA output source resistance RsourceNA 8 16 Isource = 10mA Drive output frequency fOUT 57.9 60.0 62.1 KHz RT=15.94k COMP BLOCK Overr voltage detect VCOMPH 2.4 2.5 2.6 V Hysteresis width (COMP) VCOMPH 0.040 0.060 0.080 V PROTECT CLOCK FAIL-pin On resistor value R FAIL 200 400 SYNCRO BLOCK CT SYNC IN High input Voltage Range VCT SYNC IN H 2.0 VCC*0.8 V CT SYNC IN Low input Voltage Range VCT SYNC IN L -0.3 1.5 V CT SYNC IN Pull-up resistor RCT SYNC IN pull up 500 k CT SYNC IN Self-oscillation voltage VCT SYNC IN VCC0.9 VCC V RCT SYNC OUTsink CT SYNC OUT sink resistor value 150 300 CT SYNC OUT source resistor value RCT SYNC OUTsource 370 740 CT SYNC OUT High output Voltage Range VCT SYNC OUT H 2.8 3.1 3.4 V CT SYNC OUT Low output Voltage Range VCT SYNC OUT L 0.5 V SRT SYNC Exchange detect Voltage Vsrtc 0.5 0.8 1.1 V This product is not designed for normal operation with in a radio active environment. REV. C