BD9275F PDF Datasheet – Silicon Monolithic Integrated Circuit

BD9275F Rohm

Part Number : BD9275F

Function : Silicon Monolithic Integrated Circuit

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Manufacturers : Rohm

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BD9275F pdf

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1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION BD9275F ・Using 20V process / 1ch control with Push-Pull ・Accuracy of drive output frequency:3.5%(IC Only/Built-in CT Capacitor) ・High accuracy timer latch current(±15%) ・Built-in FAIL function ・Adjustable latch timing ・Adjustable slow start time ・Lamp current and voltage sense feedback control ・Mode-selectable the operating or stand-by mode by STB pin (Typ.=0uA ) ○Absolute Maximum Ratings(Ta = 25℃) Parameter Supply Voltage OUTPUT PIN Voltage Operating Temperature Range Storage Temperature Range Maximum Junction Temperature Power Dissipation *1 Symbol VCC N1, N2 Topr Tstg Tjmax Pd Limits 20 20 -40~+85 -55~+150 +150 SOP18:562* Unit V V ℃ ℃ ℃ mW Pd derate at -4.5mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.0mm×70.0mm×1.6mm) 〇動作範囲 項目 Supply voltage Input Frequency Ratio PWM_IN PIN DRIVER frequency 記号 範囲 単位 VCC F_PWM_IN F_OUT 8.0 ~ 18.0 0.060~0.5 20 ~ 90 V kHz kHz REV. B 2/4 ○Electric Characteristics(Ta=25℃、VCC=12V、STB=3.0V) LIMIT Item ((WHOLE DEVICE)) Operating current Stand-by current Icc1 Icc2 - - 2.0 0 4.0 20 mA μA RT=100kΩ, FB=GND, IS=1.5V VSTB=0V SYMBOL MIN. TYP. MAX. UNIT CONDITION ((STAND BY CONTROL) ) Stand-by voltage H Stand-by voltage L STB PIN pull down resistor VSTBH VSTBL RSTB 2 -0.3 180 375 VCC 0.8 750 V V kΩ System ON System OFF VSTB=2V ( (VCC UVLO BLOCK) ) ) Operating voltage Hesteresis width VCC_UVLO ⊿UVLO_HYS 7.2 0.3 7.5 0.5 7.8 0.7 V V VCC=6V→8V sweep VCC=8V→6V sweep ( (OSC BLOCK) ) RT pin Voltage SRT ON resistance VRT RSRT 1.300 - 1.500 75 1.700 150 V Ω RT=100kΩ VSRT=0.1V ((PWM Dimming Block)) PWM_IN PIN voltage H PWM_IN PIN voltage L PWM_IN PIN pull down resistor VPWMIN_H VPWMIN_L R_PWMIN 2.4 -0.3 1000 2000 5 0.8 4000 V V kΩ VPWM_IN=0V⇒3.0V VPWM_IN=3.0V⇒0V VPWM_I=5V ( (FEED BACK BLOCK) ) IS threshold voltage VS threshold voltage IS source current IS COMP detect voltage VIS VVS IIS VISCOMP 1.225 1.200 16 0.565 1.250 1.250 20 0.625 1.275 1.300 24 0.685 V V μA V IS=1.0V IS=1.3V→0.5V ( (SLOW START BLOCK) ) SS term END Voltage Soft start current VSS ISS 2.400 1.7 2.500 2.0 2.600 2.3 V μA VSS=0V⇒3V VSS=1.0V IS=1.5V ( (COMP BLOCK) ) COMP over voltage detect voltage Hysterisis width (C […]

BD9275F Datasheet PDF