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BD9889FV_09 PDF预览

BD9889FV_09

更新时间: 2022-10-15 23:14:09
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
5页 165K
描述
Silicon Monolithic Integrated Circuit

BD9889FV_09 数据手册

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○Electric Characteristics(Ta=25℃,VCC=7V)  
Limits  
TYP.  
Parameter  
WHOLE DEVICE)  
Symbol  
Unit  
Conditions  
MIN.  
MAX.  
Operating current  
Icc1  
Icc2  
11.0  
2
17.0  
10  
mA  
CT=0.5V  
Stand-by current  
μA  
OVER VOLTAGE DETECT)  
FB overvoltage detect voltage  
STAND BY CONTROL)  
Vovf  
VstH  
2.20  
2.40  
2.60  
VCC  
V
Stand-by voltage H  
1.6  
V
System ON  
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  
VstL  
-0.3  
0.08  
0.8  
V
V
System OFF  
⊿Vst  
0.18  
0.28  
Vcp  
Icp  
1.9  
0.5  
2.0  
1.0  
2.1  
1.5  
V
μA  
VburH  
VburL  
IBCT  
1.94  
0.4  
2.0  
0.5  
2.06  
0.6  
V
V
fBCT=0.2kHz  
fBCT=0.2kHz  
1.35/BRT  
266  
1.5/BRT  
280  
1.65/BRT  
294  
A
FBOSC  
Hz  
BRT=33kΩBCT=0.050μF  
OSC BLOCK)  
OSC constant current  
ICT  
1.35/RT  
1.8  
1.5/RT  
2.0  
1.65/RT  
2.2  
A
V
V
%
VoscH  
VoscL  
MAXDUTY  
fCT=60kHz  
fCT=60kHz  
fCT=60kHz  
OSC Max voltage  
OSC Min voltage  
MAX DUTY  
0.3  
0.5  
0.7  
44  
46.5  
49  
Iss  
Visc  
Vss  
1.0  
0.45  
2.0  
2.0  
0.50  
2.2  
3.0  
0.55  
2.4  
μA  
V
Soft start current  
IS COMP detect Voltage  
SS COMP detect voltage  
SRT ON resistance  
V
RSRT  
200  
400  
Ω
UVLO BLOCK)  
Operating voltage  
VuvloH  
VuvloL  
Vuvlo1  
Vuvlo2  
⊿Vuvlo  
4.100  
3.900  
2.160  
2.242  
0.068  
4.300  
4.100  
2.220  
2.315  
0.095  
4.500  
4.300  
2.280  
2.388  
0.122  
V
V
V
V
V
Shut down voltage  
Operating voltage (External UVLO)  
Lock out voltage (External UVLO)  
Hysteresis width  
REG BLOCK)  
REG output voltage  
VREG  
IREG  
VREF  
3.038  
5.0  
3.100  
3.162  
V
mA  
V
REG source current  
VREF input voltage range  
FEED BACK BLOCK)  
0.60  
1.50  
Vis  
VREF  
V
VREF voltage  
IS threshold voltage  
Vvs  
Iis1  
Iis2  
Ivs  
1.220  
1.250  
1.280  
1.5  
V
VS threshold voltage  
IS source current 1  
μA  
μA  
μA  
DUTY=2.0V  
IS source current 2  
13.0  
20.0  
27.0  
1.0  
DUTY=0V、IS=0.5V  
VS source current  
OUTPUT BLOCK)  
NAch output voltage H  
NBch output voltage H  
NAch output voltage L  
NBch output voltage L  
NAch output sink resistance  
NAch output source resistance  
NBch output sink resistance  
NBch output source resistance  
Drive output frequency  
COMP BLOCK)  
VoutNAH  
VoutNBH  
VoutNAL  
VoutNBL  
RsinkNA  
RsourceNA  
RsinkNB  
RsourceNB  
fOUT  
VCC-0.3  
VCC-0.3  
VCC-0.1  
V
V
VCC-0.1  
0.1  
0.1  
5
0.3  
0.3  
10  
V
V
Ω
Ω
Ω
Ω
KHz  
Isink = 10mA  
8
16  
Isource = 10mA  
Isink = 10mA  
5
10  
8
16  
Isource = 10mA  
RT=18kΩ、CT=400pF  
58.5  
60.0  
61.5  
Over voltage detect  
VCOMPH  
VCOMPL  
3.0  
3.1  
3.2  
V
V
Under voltage detect  
0.620  
0.640  
0.660  
PROTECT CLOCK)  
Normal output voltage  
Protect output voltage  
VPH  
VPL  
2.9  
3.1  
3.3  
0.5  
V
V
(This product is not designed to be radiation-resistant.)  
REV. A  

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