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BD9893F Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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âElectric Characteristicsï¼Ta=25âï¼VCC=7Vï¼
Parameter
Symbol
MIN.
ï¼ï¼WHOLE DEVICEï¼ï¼
Operating current
ICC1
ï¼
Stand-by current
ICC2
ï¼
ï¼ï¼OVER VOLTAGE DETECTï¼ï¼
FB over voltage detect
voltage
Vovf
2.20
ï¼ï¼STAND-BY CONTROLï¼ï¼
Stand-by voltage H1
ï¼High Activeï¼
VstH1
2.3
Limits
TYP.
8
2
2.40
ï¼
MAX.
16
10
2.60
VCC
Stand-by voltage H2
ï¼Low Activeï¼
VstH2
1.4
ï¼
2.1
Stand-by voltage L
ï¼ï¼TIMER LATCHï¼ï¼
Timer Latch voltage
Timer Latch current
ï¼ï¼OSC BLOCKï¼ï¼
Active edge Current
MAX DUTY
Soft start current
IS COMP detect Voltage
SS COMP detect voltage
SRT ON resistance
ï¼ï¼UVLO BLOCKï¼ï¼
Operating voltage
Shut down voltage
ï¼ï¼FEED BACK BLOCKï¼ï¼
IS threshold voltage
VS threshold voltage
IS source current 1
IS source current 2
VS source current
ï¼ï¼Output BLOCKï¼ï¼
N1ch output voltage H
N2ch output voltage H
N1ch output voltage L
N2ch output voltage L
N1ch sink resistance
N1ch source resistance
N2ch sink resistance
N2ch source resistance
Drive output frequency
ï¼ï¼BURST MODEï¼ï¼
BOSC Max voltage
BOSC Min Voltage
BOSC frequency
ï¼ï¼COMP BLOCKï¼ï¼
Over voltage detect
Under voltage detect
Hysteresis width
VstL
VSCP
ISCP
Iact
MAXDUTY
Iss
Visc
Vss
RSRT
VuvloH
VuvloL
Vis
Vvs
Iis1
Iis2
Ivs
VoutN1H
VoutN2H
VoutN1L
VoutN2L
RsinkN1
RsourceN1
RsinkN2
RsourceN2
FOUT
VburH
VburL
FBOSC
VCOMPH
VCOMPL
â¿VCOMP
-0.3
1.9
0.5
1.25/RT
44
1.0
0.45
2.0
ï¼
4.13
3.94
1.225
1.220
ï¼
13.0
ï¼
VCC-0.3
VCC-0.3
ï¼
ï¼
ï¼
ï¼
ï¼
ï¼
58.5
1.94
0.4
252.2
1.92
0.96
ï¼
ï¼
2.0
1.0
1.5/RT
46.4
2.0
0.50
2.2
200
4.30
4.10
1.250
1.250
ï¼
20.0
ï¼
VCC-0.1
VCC-0.1
0.1
0.1
4
7
4
7
60.0
2.0
0.5
260
2.00
1.00
0.1
0.8
2.1
1.5
1.75/RT
49
3.0
0.55
2.4
400
4.47
4.26
1.275
1.280
1.5
27.0
1.0
ï¼
0.3
0.3
8
14
8
14
61.5
2.06
0.6
267.8
2.08
1.04
0.15
ï¼This product is not designed for normal operation with in a radio active environment.ï¼
Unit
Conditions
mA
μA
V
System ON
V DUTY pinï¼0.5Vâ2.0V
BURST Dimmingï¼100%â0%
System ON
V DUTY pinï¼0.5Vâ2.0V
BURST Dimmingï¼0%â100%
V System OFF
V
μA
A
%
fOUT=60kHz
μA
V
V
Ω
V
V
V
V
μA DUTY=2.0V
μA DUTY=0VãIS=0.5V
μA
V
V
V
V
Ω Isink = 10mA
Ω Isource = 10mA
Ω Isink = 10mA
Ω Isource = 10mA
kHz RT=29.2kΩ
V
fBCT=0.2kHz
V
fBCT=0.2kHz
Hz BCT=46420pF
V
V
V
REV. A
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