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BD9241F Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit | |||
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âELECTRICAL CHARACTERISTICSï¼Ta=25âï¼VCC=15Vï¼
Parameter
Symbol
MIN
Rating
Standard
ï¼ï¼devices wholeï¼ï¼
Circuit Current at operating
Circuit Current when standby
ï¼ï¼Standby control, SEL controlï¼
Standby Terminal voltageH
Standby Terminal voltageL
ICC1
ICC2
VstH
VstL
ï¼
2.3
ï¼
0
2.0
ï¼
-0.3
ï¼
MAX
5.0
10
VCC
0.8
SEL Terminal voltage H
VSELH
2.4
ï¼
VCC
SEL Terminal voltage L
VSELL
-0.3
ï¼
0.8
ï¼ï¼Timerã¼Latchï¼ï¼
Voltage setting time
VCP
1.9
Current setting time
ICP
0.85
ï¼ï¼ï¼¯ï¼³ï¼£ Blockï¼ï¼
Active edge setting current
Iact
1.25/RT
MAX DUTY
MAXDUTY
44
Soft start time
TSS
50
SRT Terminal ON Resistant
RSRT
ï¼
ï¼ï¼ï¼µï¼¶ï¼¬ï¼¯BLOCKï¼ï¼
Voltage starting operation
Hysteresis width
VuvloH
6
ÎVuvloH
0.15
ï¼ï¼Feedback systemï¼ï¼
IS Threshold voltage
VS Threshold voltage
VIS
VVS
1.225
1.210
IS Source current1
IIS1
ï¼
IS Source current 2
IIS2
40
VS Source current
IVS
ï¼
ISCOMP Detecting voltage
VISC
0.45
ï¼ï¼Output blockï¼ï¼
ï¼°ï¼ï¼ï¼°ï¼ Output voltage H
VOUTPH
VCC-0.3
ï¼°ï¼ï¼ï¼°ï¼ Output voltageL
VOUTPL
VCC-10.3
ï¼®ï¼ï¼ï¼®ï¼ Output voltageH
VOUTNH
8.3
ï¼®ï¼ï¼ï¼®ï¼ Output voltageL
VOUTNL
ï¼
ï¼°ï¼ï¼ï¼°ï¼ Output sink resistance
RsinkP1,2
ï¼
ï¼°ï¼ï¼ï¼°ï¼ Output source resistance
R source P1,2
ï¼
ï¼®ï¼ï¼ï¼®ï¼ Output sink resistance
RsinkN1,2
ï¼
ï¼®ï¼ï¼ï¼®ï¼ Output source resistance
RsourceN1,2
ï¼
Drive output frequency
FOUT
48.5
ï¼ï¼Burst mode setting blockï¼ï¼
Triangular wave upper voltage
VburH
1.9
Triangular wave lower voltage
VburL
0.4
Triangular wave frequency
FBOSC
337
ï¼ï¼COMP Blockï¼ï¼
Over-voltage detecting voltage
VCOMPH
1.9
Hysteresis width
VCOMP
0.1
(It is not the radiation-proof design for this product.)
2.0
1.0
1.5/RT
46.4
100
100
7
0.3
1.250
1.250
ï¼
50
ï¼
0.50
VCC
VCC-9.3
9.3
0
3
6
4
6
50
2.0
0.5
350
2.00
0.2
2.1
1.15
1.75/RT
49
150
200
8
0.6
1.275
1.290
0.9
60
1.0
0.55
ï¼
VCC-8.3
10.3
0.3
10
12
10
12
51.5
2.1
0.6
363
2.1
0.4
Unit
Condition
mA
μA
V
System ON
V
System OFF
DUTY Terminal ï¼
0.5Vâ2.0V
V
Burst
dimming ï¼
100%â0%
DUTY Terminal ï¼
V
0.5Vâ2.0V
Burst
dimming ï¼
0%â100%
V
μA
A
%
msec
â¦
RT=100kâ¦
V
V
V
V
μA DUTY=2.0V
μA DUTY=0VãIS=0.5V
μA
V
V
V
V
V
â¦
Isink=10mA
â¦
Isource=10mA
â¦
Isink=10mA
â¦
Isource=10mA
kHz RT=100kâ¦
V
V
Hz BCT=4700pF
V
V
REV. A
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