BD9897FS Datasheet - Rohm

BD9897FS DC-AC Inverter Controller

Device Mark PIN No. 1 2 PIN NAME PGND LN2 HN2 SW2 BST2 CT_SYNC_IN CT_SYNC_OUT SRT RT CT GND BCT BRT DUTY DUTY_OUT STB CP FAIL VREF VS IS FB SS COMP2 COMP1 VCC UVLO REG BST1 SW1 HN1 LN1 FUNCTION Ground for FET drivers NMOS FET driver NMOS FET driver Lower rail voltage for HN2 output Boot-Strap in.

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 .

BD9897FS_Rohm.pdf