Maker : Rohm
Part No. : BD9897FS

  Datasheet PDF : BD9897FS.pdf
  Cross Reference : BD9897FS Cross Reference
  Buy Component : BD9897FS Find Stock and Price

Shortcut : BD9897FS 

Product Information

1/4 STRUCTURE NAME OF PRODUCT TYPE FUNCTION Silicon Monolithic Integrated Circuit DC-AC Inverter Control IC ＢＤ９８９７ＦＳ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ 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 Mode-selectable the operating or stand-by mode by stand-by pin Synchronous operating the other BD9897FS IC’s BURST mode controlled by PWM and DC input Output liner Control by external DC voltage ○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 7 -40～+85 -55～+150 +150 950* Unit V V V V ℃ ℃ ℃ mW Pd derate at 7.6mW/℃ 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 CT oscillation frequency BCT oscillation frequency Symbol VCC BST BST-SW fCT fBCT Limits 7.5～30.0 4.0～36.0 4.0～6.5 60～180 0.05～1.00 Unit V V V kHz kHz www.DataSheet4U.com 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. B 2/4 ○ Electric Characteristics（Ta=25℃，VCC=24V） Parameter （ （WHOLE DEVICE） ） Operating current Stand-by current （ （STAND BY CONTROL） ） Stand-by voltage H Stand-by voltage L （ （UVLO BLOCK）） ） Operating voltage (VCC) Hesteresis width (VCC) Operating voltage (UVLO) Hesteresis width (UVLO) （ （REG BLOCK） ） REG output voltage REG source current （ （OSC BLOCK） ） Active edge setting current Negative edge setting current OSC Max voltage OSC Min voltage Soft start current SRT ON resistance （ （BOSC BLOCK） ） BOSC Max voltage BOSC Min voltage BOSC constant current BOSC frequency （ （FEED BACK BLOCK） ） IS threshold voltage 1 IS threshold voltage 2 VS threshold voltage IS source current 1 IS source current 2 VS source current IS COMP detect voltage ① IS COMP detect voltage ② VREF input voltage range （ （DUTY BLOCK） ） High voltage Low voltage DUTY-OUT sink resistance DUTY-OUT source resistance （ （OUTPUT BLOCK） ） LN output sink resistance LN output source resistance www.DataSheet4U.com HN output sink resistance HN output source resistance MAX DUTY OFF period Drive output frequency （ （TIMER LATCH BLOCK） ） Timer Latch setting voltage Timer Latch setting current （ （COMP CLOCK） ） COMP1 over voltage detect voltage COMP2 over voltage detect voltage COMP2 under voltage detect voltage ① COMP2 under voltage detect voltage ② ((Synchronous Block)) High voltage Low voltage CT_SYNC sink resistance CT_SYNC source resistance High voltage input range Low voltage input range Symbol MIN. － － 2.0 -0.3 5.7 0.26 2.179 0.074 5.68 20.0 1.35/(RT*7) Iact×29 1.8 0.35 0.6 － 1.94 0.40 1.35/BRT 291 1.225 － 1.220 － 32 － 0.90 － 0.6 2.8 － － － 0.75 2.5 1.25 2.5 46.0 100 58.5 1.94 0.40 2.460 2.460 1.225 0.606 2.8 － － － 2.0 -0.3 Limits TYP. 7.2 13.0 － － 6.0 0.35 2.25 0.098 5.80 － 1.5/(RT*6) Iact×35 2.0 0.45 1.1 100 2.00 0.50 1.5/RT 300 1.250 VREFIN 1.250 － 50 － 0.94 VREFIN×0.73 － 3.1 150 250 1.5 5 2.5 5 48.0 200 60.0 2.0 0.55 2.485 2.485 1.25 0.625 3.1 － 150 370 － － MAX. 13 30.0 VCC 0.8 6.3 0.43 2.321 0.122 5.92 － 1.65/(RT*5) Iact×41 2.2 0.60 1.6 200 2.06 0.60 1.65/RT 309 1.275 VIS① 1.280 0.9 68 0.9 0.98 － 1.6 3.4 0.5 300 500 3.0 10 5.0 10 49.5 400 61.5 2.06 0.70 2.510 2.510 1.275 0.644 3.4 0.5 300 740 3.3 0.6 Unit Conditions ...

Link URL