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BD9897FS Datasheet(PDF) 1 Page - Rohm |
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BD9897FS Datasheet(HTML) 1 Page - Rohm |
1 / 5 page 1/4 REV. B STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE BD9897FS FUNCTION ・ 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 Symbol Limits Unit Supply Voltage VCC 36 V BST pin BST 40 V SW pin SW 36 V BST-SW voltage difference BST-SW 7 V Operating Temperature Range Topr -40~+85 ℃ Storage Temperature Range Tstg -55~+150 ℃ Maximum Junction Temperature Tjmax +150 ℃ Power Dissipation Pd 950* 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 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. Parameter Symbol Limits Unit Supply voltage VCC 7.5~30.0 V BST voltage BST 4.0~36.0 V BST-SW voltage difference BST-SW 4.0~6.5 V CT oscillation frequency fCT 60~180 kHz BCT oscillation frequency fBCT 0.05~1.00 kHz |
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