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BD9885FV_09 Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit
○電気的特性(Ta=25℃,VCC=7V)
Parameter
((WHOLE DEVICE))
Operating current
Stand-by current
((OVER VOLTAGE DETECT))
FB over voltage detect voltage
((STAND BY CONTROL))
Stand-by voltage H
Stand-by voltage L
Stand-by hysteresis
((TIMER LATCH))
Timer Latch voltage
Timer Latch current
((OSC BLOCK))
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
((UVLO BLOCK))
Operating voltage
Lock out voltage
Operating voltage (External UVLO)
Lock out voltage (External UVLO)
((FEED BACK BLOCK))
IS threshold voltage1
Symbol
Icc1
Icc2
Vovf
VstH
VstL
⊿Vst
Vcp
Icp
ICT
VoscH
VoscL
MAXDUTY
Iss
Visc
Vss
RSRT
VuvloH
VuvloL
Vuvlo1
Vuvlo2
Vis1
MIN.
-
-
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
-
4.100
3.900
1.900
2.100
1.220
Limits
TYP.
11.0
2
2.40
-
-
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
((OUTPUT BLOCK))
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
((BURST MODE BLOCK))
BOSC Max voltage
BOSC Min Voltage
BOSC constant current
((REG BLOCK))
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
-
13.0
-
VCC-0.3
VCC-0.3
-
-
-
-
-
-
1.94
0.4
1.35/BRT
3.038
5.0
1.220
1.250
-
20.0
-
VCC-0.1
VCC-0.1
0.1
0.1
8
10
8
10
2.0
0.5
1.5/BRT
3.100
-
1.250
VREF input voltage range
Vref2
0.60
-
((COMP BLOCK))
Over voltage detect
Under voltage detect
((PROTECT CLOCK))
Normal output voltage
Protect output voltage
VCOMPH
VCOMPL
VPH
VPL
2.20
0.590
2.9
-
2.5
0.640
3.1
-
(This product is not designed for normal operation with in a radio active environment.)
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
-
-
0.3
0.3
16
20
16
20
2.06
0.6
1.65/BRT
3.162
-
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=0V、IS=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