BD9895FV Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

○Electric Characteristics（Ta=25℃，VCC=7V）
Parameter
Symbol
（（WHOLE DEVICE））
Operating current
Stand-by current
（（OVER VOLTAGE DETECT））
FB over voltage detect voltage
（（STAND BY CONTROL））
Stand-by voltage L
Input voltage range of Slave setting
Input voltage range of Master setting
（（TIMER LATCH））
Timer Latch voltage
Timer Latch current
（（BURST MODE））
BOSC Max voltage
BOSC Min Voltage
BOSC constant current
BOSC frequency
（（OSC BLOCK））
MAX DUTY
Soft start current
IS COMP detect Voltage
SS COMP detect voltage
SRT ON resistance
（（UVLO BLOCK））
Detect voltage (VCC_UVLO)
Hysteresis width (UVLO)
Operating voltage (VCC_UVLO)
Hysteresis width (VCC_UVLO)
（（REG BLOCK））
REG output voltage
REG source current
（（FEED BACK BLOCK））
IS threshold voltage ①
IS threshold voltage ②
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
⊿Vcc_vuvlo
Vuvlo
⊿Vuvlo
VREG
IREG
Vis①
Vis②
Vvs
Iis1
Iis2
Ivs
MIN.
－
－
2.20
-0.3
1.8
2.55
1.9
0.5
1.94
0.4
1.35/BRT
292.5
44.0
1.0
0.45
2.0
－
5.100
0.150
2.260
0.075
3.038
5.0
1.225
－
1.220
－
13.0
－
Limits
TYP.
－
－
2.40
－
-
-
2.0
1.0
2.0
0.5
1.5/BRT
300
48.0
2.0
0.50
2.2
200
5.300
0.200
2.340
0.100
3.100
－
1.250
VREFIN
1.250
－
20.0
－
MAX.
17.0
10
2.60
0.8
2.25
VCC
2.1
1.5
2.06
0.6
1.65/BRT
307.5
49.5
3.0
0.55
2.4
400
5.500
0.250
2.420
0.125
3.162
－
1.275
VIS①
1.280
1.5
27.0
1.0
VREF input voltage range
VREF IN
0.6
－
1.6
（（OUTPUT BLOCK））
Ｐｃｈ output voltage Ｈ
Ｎｃｈ output voltageＨ
VoutPH
VoutNH
VCC-0.3
VCC-0.1
－
VCC-0.3
VCC-0.1
－
Ｐｃｈ output voltage L
Ｎｃｈ output voltage L
VoutPL
VoutNL
－
0.1
0.3
－
0.1
0.3
Ｐｃｈ output sink resistance
RsinkP
－
5
10
Ｐｃｈ output source resistance
RsourceP
－
8
16
Ｎｃｈ output sink resistance
RsinkN
－
5
10
Ｎｃｈ output source resistance
Drive output frequency
RsourceN
fOUT
－
57.9
8
60.0
16
62.1
（（COMP BLOCK））
Overr voltage detect
Hysteresis width (COMP)
VCOMPH
⊿VCOMPH
2.4
0.040
2.5
0.060
2.6
0.080
（（PROTECT CLOCK））
FAIL-pin On resistor value
R_FAIL
－
200
400
（（ SYNCRO BLOCK））
CT_SYNC_IN_High input Voltage Range
VCT_SYNC_IN_H
2.0
－
VCC*0.8
CT_SYNC_IN_Low input Voltage Range
VCT_SYNC_IN_L
-0.3
－
1.5
CT_SYNC_IN Pull-up resistor
RCT_SYNC_IN_pull_up
500
－
－
CT_SYNC_IN Self-oscillation voltage
VCT_SYNC_IN
VCC＊0.9
－
VCC
CT_SYNC_OUT sink resistor value
RCT_SYNC_OUT＿sink
－
150
300
CT_SYNC_OUT source resistor value
RCT_SYNC_OUT＿source
－
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
－
－
0.5
SRT SYNC Exchange detect Voltage
Vsrtc
0.5
0.8
1.1
（This product is not designed for normal operation with in a radio active environment.）
2/4
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=0V、IS=0.5V
μA
V
Over 1.25V is not
effective
V
V
V
V
Ω
Isink = 10mA
Ω
Isource = 10mA
Ω
Isink = 10mA
Ω
Isource = 10mA
KHz
RT=15kΩ
V
V
Ω
V
V
kΩ
V
Ω
Ω
V
V
V
REV. C