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BD9221F

Rohm
Part Number BD9221F
Manufacturer Rohm
Description DC-AC Inverter Controller
Published Apr 7, 2011
Detailed Description 1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION ＢＤ９２２１...
Datasheet PDF File BD9221F PDF File

BD9221F
BD9221F

Overview
1/4 STRUCTURE Silicon Monolithic Integrated Circuit NAME OF PRODUCT DC-AC Inverter Control IC TYPE FUNCTION ＢＤ９２２１Ｆ ・Using 20V process / 1ch control with Push-Pull ・BD9221F can synchronous operating with external sync-signal ・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 SOP18:687* Unit V V ℃ ℃ ℃ mW Pd derate at -5.
5mW/℃ for temperature above Ta = 25℃ (When mounted on a PCB 70.
0mm×70.
0mm×1.
6mm) Supply voltage Input Frequency Ratio CLK_IN PIN Input Frequency Ratio PWM_IN PIN DRIVER frequency VCC F_CLK_IN 8.
0 ～ 18.
0 40～180 0.
060～0.
5 20 ～ 90 V kHz kHz kHz F_PWM_IN F_OUT www.
DataSheet4U.
com REV.
A 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 ((Synchronous Block)) CLK_IN PIN voltage H CLK_IN PIN voltage L CLK_IN PIN pull down resistor VCTSIN_H VCTSIN_L R_CTSIN 2.
4 -0.
3 1000 2000 5 0.
8 4000 V V kΩ V_CT_SYNC_IN=0V⇒3.
0V V_CT_SYNC_IN=3.
0V⇒0V VCT_SYNC_IN=5...


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