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BD9890F

Rohm
Part Number BD9890F
Manufacturer Rohm
Description DC-AC Inverter Controller
Published Jul 30, 2007
Detailed Description 1/4 STRUCTURE NAME OF PRODUCT TYPE FUNCTION Silicon Monolithic Integrated Circuit DC-AC Inverter Control IC ＢＤ９８９０Ｆ ・2...
Datasheet PDF File BD9890F PDF File

BD9890F
BD9890F

Overview
1/4 STRUCTURE NAME OF PRODUCT TYPE FUNCTION Silicon Monolithic Integrated Circuit DC-AC Inverter Control IC ＢＤ９８９０Ｆ ・2ch 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 BD9890F or BD9890FV IC’s ・BURST mode controlled by PWM and DC input ・2ch in-phase in BURST mode \\ ○Absolute Maximum Ratings（Ta = 25℃） Parameter Symbol Limits Unit Supply Voltage VCC 15 V Operating Temperature Range Topr -40～+90 ℃ Storage Temperature Range Tstg -55～+125 ℃ Power Dissipation Pd 600*1(BD9890F) 850*2(BD9890FV) mW Maximum Junction Temperature Tjmax +125 ℃ *1Pd derate at 6.
0mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.
0mm×70.
0mm×1.
6mm) *2Pd derate at 8.
5mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.
0mm×70.
0mm×1.
6mm) Recommended operating condition Parameter Supply voltage CT oscillation frequency BCT oscillation frequency Symbol VCC fCT fBCT Limits 5.
0～14.
0 20～150 0.
05～0.
50 Unit V kHz 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.
A 2/4 ○Electric Characteristics（Ta=25℃，VCC=7V） Parameter （（WHOLE DEVICE）） Operating current Stand-by current （（OVER VOLTAGE DETECT）） FB over voltage detect voltage （（STAND BY CONTROL）） Stand-by voltage H Stand-by voltage L Stand-by hysteresis （（TIMER LATCH）） Timer Latch voltage Timer Latch current （（BURST MODE）） BOSC Max voltage BOSC Min Voltage BOSC constant current BOSC frequency （（OSC BLOCK）） OSC constant current OSC Max voltage OSC Min voltag...


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