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BD9885FV_09 Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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âé»æ°çç¹æ§ï¼Ta=25âï¼VCC=7Vï¼
Parameter
ï¼ï¼WHOLE DEVICEï¼ï¼
Operating current
Stand-by current
ï¼ï¼OVER VOLTAGE DETECTï¼ï¼
FB over voltage detect voltage
ï¼ï¼STAND BY CONTROLï¼ï¼
Stand-by voltage H
Stand-by voltage L
Stand-by hysteresis
ï¼ï¼TIMER LATCHï¼ï¼
Timer Latch voltage
Timer Latch current
ï¼ï¼OSC BLOCKï¼ï¼
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
ï¼ï¼UVLO BLOCKï¼ï¼
Operating voltage
Lock out voltage
Operating voltage (External UVLO)
Lock out voltage (External UVLO)
ï¼ï¼FEED BACK BLOCKï¼ï¼
IS threshold voltage1
Symbol
Icc1
Icc2
Vovf
VstH
VstL
â¿Vst
Vcp
Icp
ICT
VoscH
VoscL
MAXDUTY
Iss
Visc
Vss
RSRT
VuvloH
VuvloL
Vuvlo1
Vuvlo2
Vis1
MIN.
ï¼
ï¼
2.20
1.4
-0.3
0.10
1.8
0.5
1.35/RT
1.8
0.3
44
1.0
0.45
2.0
ï¼
4.100
3.900
1.900
2.100
1.220
Limits
TYP.
11.0
2
2.40
ï¼
ï¼
0.25
2.0
1.0
1.5/RT
2.0
0.5
46.5
2.0
0.50
2.2
200
4.300
4.100
2.000
2.200
1.250
IS threshold voltage2
Vis2
-
Vref2
VS threshold voltage
IS source current 1
IS source current 2
VS source current
ï¼ï¼OUTPUT BLOCKï¼ï¼
Pch output voltage H
Nch output voltage H
Pch output voltage L
Nch output voltage L
Pch output sink resistance
Pch output source resistance
Nch output sink resistance
Nch output source resistance
ï¼ï¼BURST MODE BLOCKï¼ï¼
BOSC Max voltage
BOSC Min Voltage
BOSC constant current
ï¼ï¼REG BLOCKï¼ï¼
REG output voltage
REG source current
VREF voltage
Vvs
Iis1
Iis2
Ivs
VoutPH
VoutNH
VoutPL
VoutNL
RsinkP
RsourceP
RsinkN
RsourceN
VburH
VburL
IBCT
VREG
IREG
Vref1
1.220
ï¼
13.0
ï¼
VCC-0.3
VCC-0.3
ï¼
ï¼
ï¼
ï¼
ï¼
ï¼
1.94
0.4
1.35/BRT
3.038
5.0
1.220
1.250
ï¼
20.0
ï¼
VCC-0.1
VCC-0.1
0.1
0.1
8
10
8
10
2.0
0.5
1.5/BRT
3.100
ï¼
1.250
VREF input voltage range
Vref2
0.60
-
ï¼ï¼COMP BLOCKï¼ï¼
Over voltage detect
Under voltage detect
ï¼ï¼PROTECT CLOCKï¼ï¼
Normal output voltage
Protect output voltage
VCOMPH
VCOMPL
VPH
VPL
2.20
0.590
2.9
ï¼
2.5
0.640
3.1
ï¼
ï¼This product is not designed for normal operation with in a radio active environment.ï¼
MAX.
17.0
10
2.60
VCC
0.5
0.40
2.2
1.5
1.65/RT
2.2
0.7
49
3.0
0.55
2.4
400
4.500
4.300
2.100
2.300
1.280
-
1.280
1.5
27.0
1.0
ï¼
ï¼
0.3
0.3
16
20
16
20
2.06
0.6
1.65/BRT
3.162
ï¼
1.280
1.60
2.80
0.690
3.3
0.5
2/4
Unit
Conditions
mA CT=0.5V
μA
V
V
System ON
V
System OFF
V
V
μA
A
V
fCT=60kHz
V
fCT=60kHz
%
fCT=60kHz
μA
V
V
Ω
V
V
V
V
V
VREF=Open
VREF=Applying
V
Voltage
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
V
fBCT=0.2kHz
V
fBCT=0.2kHz
A
V
mA
V
VREF=Open
V
VREF=Applying
Voltage
V
V
V
V
REV. B
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