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BD9215AFV Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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âElectric Characteristicsï¼Ta=25âãVCC=24VãSTB=UVLO=3.0Vï¼
Parameter
ï¼ï¼WHOLE DEVICEï¼ï¼
Operating current
Stand-by current
ï¼ï¼STAND BY CONTROLï¼ï¼
Stand-by voltage H
Stand-by voltage L
ï¼ï¼UVLO BLOCKï¼ï¼ï¼
Operating voltage (UVLO)
Hesteresis width (UVLO)
ï¼ï¼REG BLOCKï¼ï¼
REG output voltage
REG source current
ï¼ï¼OSC BLOCKï¼ï¼
RT pin Voltage
Soft start current
SS operation start Voltage
SS term END Voltage
SRT ON resistance
ï¼ï¼BOSC BLOCKï¼ï¼
BOSC Max voltage
BOSC Min voltage
BOSC constant current
BOSC frequency
ï¼ï¼FEED BACK BLOCKï¼ï¼
IS threshold voltage 1
IS threshold voltage 2
VS threshold voltage
IS source current 1
IS source current 2
VS source current
IS COMP detect voltage 1
IS COMP detect voltage 2
VREF input voltage range
ï¼ï¼DUTY BLOCKï¼ï¼
High voltage
Low voltage
DUTY-OUT sink resistance
DUTY-OUT source resistance
ï¼ï¼OUTPUT BLOCKï¼ï¼
LN output sink resistance
LN output source resistance
HN output sink resistance
HN output source resistance
MAX DUTY
OFF period
Drive output frequency
ï¼ï¼TIMER LATCH BLOCKï¼ï¼
Timer Latch setting voltage
Timer Latch setting current
ï¼ï¼COMP BLOCKï¼ï¼
COMP over voltage detect voltage
Hysterisis width (COMP)
((Synchronous Block))
High voltage
Low voltage
CT_SYNC_OUT sink resistance
CT_SYNC_OUT source resistance
Symbol
MIN.
Icc1
ï¼
Icc2
ï¼
VstH
2
VstL
-0.3
Vuvlo
â¿Vuvlo
2.16
0.085
VREG
7.35
IREG
20
VRT
1.05
ISS
1.7
VSS_ST
0.18
VSS_ED
1.35
RSRT
ï¼
VBCTH
VBCTL
IBCT
fBCT
1.94
0.4
1.35/BRT
291
VIS1
VIS2
VVS
IIS1
IIS2
IVS
VISCOMP1
VISCOMP2
VREFIN
1.225
ï¼
1.22
ï¼
40
ï¼
0.606
ï¼
0.6
VDUTY-OUTH
3.8
VDUTY-OUTL
ï¼
RDUTY-OUT_sink
ï¼
RDUTY-OUT_source
ï¼
RsinkLN
1.8
RsourceLN
4.5
RsinkHN
1.8
RsourceLN
4.5
MAX DUTY 46.0
TOFF
100
FOUT
57.9
VCP
3.88
ICP
1.6
VCOMPH
3.88
â¿VCOMPH 0.15
VCT_SYNCH 3.8
VCT_SYNCL
ï¼
RSYNC_OUT_sink
ï¼
RSYNC_OUT_source
ï¼
ï¼This product is not designed to be radiation-resistant.ï¼
Limits
TYP.
5.0
6.3
ï¼
ï¼
2.25
0.110
7.50
ï¼
1.50
2.2
0.20
1.50
85
2
0.5
1.5/BRT
300
1.25
VREFIN
1.25
ï¼
50
ï¼
0.625
0.50
ï¼
4.0
-
150
300
3.5
9.0
3.5
9.0
48.5
200
60
4.0
2.1
4.0
0.20
4.0
ï¼
150
300
MAX.
9.0
20
VCC
0.8
2.34
0.135
7.65
ï¼
1.95
2.7
0.22
1.65
170
2.06
0.6
1.65/BRT
309
1.275
VIS1
1.28
0.9
60
0.9
0.644
ï¼
1.6
4.2
0.5
300
600
7.0
18.0
7.0
18.0
49.5
400
62.1
4.12
2.6
4.12
0.25
4.2
0.5
300
400
Unit
Conditions
mA FOUT=60kHz, FB=GND, BST=OPEN
μA
V System ON
V System OFF
V
V
V
mA
V
μA
V
V
Ω
V fBCT=0.3kHz
V fBCT=0.3kHz
A VBCT=0.2V
Hz (BRT=37.8kΩ BCT=0.047μF)
V
V VREF applying voltage
V
μA DUTY=2.2V
μA DUTY=0V IS=1.0V
μA
V VREFINâ§1.25V
V VREFIN= 1V
V No effect at VREFï¼1.25V
V
V
Ω
Ω
Ω
Ω
Ω VBST-VSW=7.0V
Ω VBST-VSW=7.0V
% FOUT=60kHz
ns
kHz RT=21k Ω
V
μA
V VSSï¼1.65V
V
V
V
Ω
Ω
REV. A
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