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BD9889FV

Part Number	BD9889FV
Manufacturer	Rohm
Description	DC-AC Inverter Controller
Published	Jul 30, 2007
Detailed Description	1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION ＢＤ９８８９...
Datasheet	BD9889FV PDF File

Overview

1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION ＢＤ９８８９ＦＶ・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 BD9889FV IC’s ・BURST mode controlled by PWM and DC input ○Absolute Maximum Ratings（Ta = 25℃） Parameter Supply Voltage Operating Temperature Range Storage Temperature Range Power Dissipation Maximum Junction Temperature Symbol VCC Topr Tstg Pd Tjmax Limits 15 -40～+90 -55～+125 850* +125 Unit V ℃ ℃ mW ℃ *Pd 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 overvoltage 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 voltage MAX DUTY Soft start current IS COMP detect Voltage SS COMP detect voltage SRT ON resistance （（UVLO BLOCK）） Operating voltage Shut down voltage Operating voltage (External UVLO) Lo...

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