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BD9896FV Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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âElectric Characteristicsï¼Ta=25âï¼VCC=7Vï¼
Parameter
Symbol
ï¼ï¼WHOLE DEVICEï¼ï¼
Operating current
Stand-by current
ï¼ï¼OVER VOLTAGE DETECTï¼ï¼
FB over voltage detect voltage
ï¼ï¼STAND BY CONTROLï¼ï¼
Stand-by voltage L
Input voltage range of Slave setting
Input voltage range of Master setting
ï¼ï¼TIMER LATCHï¼ï¼
Timer Latch voltage
Timer Latch current
ï¼ï¼BURST MODEï¼ï¼
BOSC Max voltage
BOSC Min Voltage
BOSC constant current
BOSC frequency
ï¼ï¼OSC BLOCKï¼ï¼
MAX DUTY
Soft start current
IS COMP detect Voltage
SS COMP detect voltage
SRT ON resistance
ï¼ï¼UVLO BLOCKï¼ï¼
Detect voltage (VCC_UVLO)
Hysteresis width (VCC_UVLO)
Operating voltage (UVLO)
Hysteresis width (UVLO)
ï¼ï¼REG BLOCKï¼ï¼
REG output voltage
REG source current
ï¼ï¼FEED BACK BLOCKï¼ï¼
IS threshold voltage â
IS threshold voltage â¡
VS threshold voltage
IS source current 1
IS source current 2
VS source current
Icc1
Icc2
Vovf
VstL
VstH1
VstH2
Vcp
Icp
VburH
VburL
IBCT
fBCT
MAXDUTY
Iss
Visc
Vssc
RSRT
Vcc_vuvlo
â¿Vcc_vuvlo
Vuvlo
â¿Vuvlo
VREG
IREG
Visâ
Visâ¡
Vvs
Iis1
Iis2
Ivs
MIN.
ï¼
ï¼
2.20
-0.3
1.8
2.55
1.9
0.5
1.94
0.4
1.35/BRT
292.5
44
1.0
0.45
2.0
ï¼
5.100
0.150
2.260
0.075
3.038
5.0
1.225
ï¼
1.220
ï¼
13.0
ï¼
Limits
TYP.
ï¼
ï¼
2.40
ï¼
-
-
2.0
1.0
2.0
0.5
1.5/BRT
300
46.5
2.0
0.50
2.2
200
5.300
0.200
2.340
0.100
3.100
ï¼
1.250
VREFIN
1.250
ï¼
20.0
ï¼
MAX.
17.0
10
2.60
0.8
2.25
VCC
2.1
1.5
2.06
0.6
1.65/BRT
307.5
49
3.0
0.55
2.4
400
5.500
0.250
2.420
0.125
3.162
ï¼
1.275
VISâ
1.280
1.5
27.0
1.0
VREF input voltage range
VREF IN
0.6
ï¼
1.6
ï¼ï¼OUTPUT BLOCKï¼ï¼
NBï½ï½ output voltage H
VoutNBH
VCC-0.3
VCC-0.1
ï¼
NAï½ï½ output voltageH
VoutNAH
VCC-0.3
VCC-0.1
ï¼
NBï½ï½ output voltage L
VoutNBL
ï¼
0.1
0.3
NAï½ï½ output voltage L
VoutNAL
ï¼
0.1
0.3
NBï½ï½ output sink resistance
RsinkNB
ï¼
5
10
NBï½ï½ output source resistance
RsourceNB
ï¼
8
16
NAï½ï½ output sink resistance
RsinkNA
ï¼
5
10
NAï½ï½ output source resistance
RsourceNA
ï¼
8
16
Drive output frequency
fOUT
57.9
60.0
62.1
ï¼ï¼COMP BLOCKï¼ï¼
Overr voltage detect
VCOMPH
2.4
2.5
2.6
Hysteresis width (COMP)
â¿VCOMPH
0.040
0.060
0.080
ï¼ï¼PROTECT CLOCKï¼ï¼
FAIL-pin On resistor value
R_FAIL
ï¼
200
400
ï¼ï¼ SYNCRO BLOCKï¼ï¼
CT_SYNC_IN_High input Voltage Range
VCT_SYNC_IN_H
2.0
ï¼
VCC*0.8
CT_SYNC_IN_Low input Voltage Range
VCT_SYNC_IN_L
-0.3
ï¼
1.5
CT_SYNC_IN Pull-up resistor
RCT_SYNC_IN_pull_up
500
ï¼
ï¼
CT_SYNC_IN Self-oscillation voltage
VCT_SYNC_IN
VCCï¼0.9
ï¼
VCC
CT_SYNC_OUT sink resistor value
RCT_SYNC_OUT_sink
ï¼
150
300
CT_SYNC_OUT source resistor value
RCT_SYNC_OUT_source
ï¼
370
740
CT_SYNC_OUT_High output Voltage Range VCT_SYNC_OUT _H
2.8
3.1
3.4
CT_SYNC_OUT_Low output Voltage Range VCT_SYNC_OUT_L
ï¼
ï¼
0.5
SRT SYNC Exchange detect Voltage
Vsrtc
0.5
0.8
1.1
ï¼This product is not designed for normal operation with in a radio active environment.ï¼
Unit
Conditions
mA CT_SYNC_IN=Low
μA CT_SYNC_IN=OPEN
V
V
V
V
V
μA
V
fBCT=0.3kHz
V
fBCT=0.3kHz
A
Hz
BRT=36kΩ BCT=0.048μF
%
fout=60kHz
μA
V
V
Ω
V
V
V
V
V
mA
V
VREF pin:OPEN,REG is shorted
V
VREF pin is supplied
V
μA
DUTY=2.2V
μA
DUTY=0VãIS=0.5V
μA
Over 1.25V is not
V
effective
V
V
V
V
Ω
Isink = 10mA
Ω
Isource = 10mA
Ω
Isink = 10mA
Ω
Isource = 10mA
KHz
RT=15.94kΩ
V
V
Ω
V
V
kΩ
V
Ω
Ω
V
V
V
REV. C
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