bd9211f ROHM Co. Ltd., bd9211f Datasheet - Page 2

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bd9211f

Manufacturer Part Number
bd9211f
Description
Led Driver Control Ic
Manufacturer
ROHM Co. Ltd.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BD9211F
Manufacturer:
ROHM/罗姆
Quantity:
20 000
Electrical Characteristics (VCC=12V, Ta=25℃)
(This product is not designed to be radiation-resistant.)
( (WHOLE DEVICE) )
( (STAND BY CONTROL) )
( (VCC UVLO BLOCK) )
( (OSC BLOCK) )
( (PWMIN BLOCK) )
( (SOFT START BLOCK) )
( (FEED BACK BLOCK) )
( (OUTPUT BLOCK) )
( (TIMER LATCH BLOCK)
( (COMP BLOCK) )
( (FAIL BLOCK) )
PWMIN pin H level input voltage range
PWMIN pin L level input voltage range
Circuit current during operation
Circuit current during stand by operation
Stand-by voltage H
Stand-by voltage L
Operating voltage (VCC)
Hesteresis width (VCC UVLO)
RT Output Voltage
IS threshold voltage
VS threshold voltage
IS source current 1
IS source current 2
VS source current
IS COMP detect voltage
N1 output sink resistance
N1 output source resistance
N2 output sink resistance
N2 output source resistance
MAX DUTY
N1-N2, N2-N1 OFF period
Drive output frequency
CP timer latch detect voltage
CP timer latch charge current
SDON latch detect voltage
SDON latch charge current
COMP over voltage detect voltage
Hysteresis width (COMP)
COMPSD over voltage detect voltage
FAIL ON Resistor value
Set up current for soft start
Soft start end voltage
Parameter
Icc1
Icc2
VstbH
VstbL
V_VCCUVP
⊿V_VCCUVP
VRT
VPWMINH
VPWMINL
ISS
VSS_END
VIS
VVS
IIS1
IIS2
IVS
VISCOMP
Rsink_N1
Rsource_N1
Rsink_N2
Rsource_N2
MAX DUTY
TOFF
FOUT
VCP
ICP
VSDON
ISDON
VCOMP
⊿VCOMP
VCOMPSD
RFAILL
Symbol
1.225
1.212
0.606
-0.3
MIN.
6.17
0.37
1.05
43.0
57.9
1.90
0.85
1.90
0.85
3.88
0.15
3.88
-0.3
100
2.0
2.0
1.5
2.8
1.5
4.5
1.5
4.5
40
-
REV. A
Limits
1.250
1.250
0.625
TYP.
6.50
0.50
1.50
45.0
60.0
2.00
1.00
2.00
1.00
4.00
0.20
4.00
200
100
2.3
2.0
3.0
3.0
9.0
3.0
9.0
50
0
-
-
MAX.
1.275
1.288
0.644
VCC
6.83
0.63
1.95
18.0
18.0
47.0
62.1
2.10
1.15
2.10
1.15
4.12
0.25
4.12
400
200
5.0
0.8
5.0
0.8
2.5
3.2
0.9
0.9
6.0
6.0
20
60
Unit
kHz
mA
μA
μA
μA
μA
μA
μA
uA
ns
V
V
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
RT=79 kΩ
FOUT=60kHz, PWMCMP=GND
System ON
System OFF
PWMIN=2.5V
PWMIN=0V, IS=1.0V
FOUT=60kHz
RT=79 kΩ
VSTB=0V
Conditions
2/4

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