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PDF ( 数据手册 , 数据表 ) BD9211F

零件编号 BD9211F
描述 LED Driver control IC
制造商 ROHM Semiconductor
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BD9211F 数据手册, 描述, 功能
STRUCTURE
Silicon Monolithic Integrated Circuit
NAME OF PRODUCT LED Driver control IC
TYPE BD9211F
FEATURE
Using 20V high-voltage-withstand process
1Channel Push-Pull control
Current and voltage feedback is controlled
by drive frequency modulation
Built-in soft start circuit
Built-in timer latch circuit
Built-in shut down protection
Built-in UVLO detection circuit
Output Over Voltage Protection
Built-in error signal output function
Switching to current consumption save mode through STB pin
Possible to control the burst by external PWM
1/4
Absolute Maximum Ratings (Ta=25)
Item
Symbol
Rated voltage
Unit
Power supply voltage
VCC
20
V
Driver Output
Operating temperature
Storage temperature range
Maximum Junction Temperature
N1,N2
Topr
Tstg
Tjmax
20
-40+85
-55+150
+150
V
Power Dissipation
Pd
687*
mW
* It reduces gradually by 5.5 mW/if above Ta= 25(when mounting the board of 70.0mm×70.0mm×1.6mm)
Recommended Operation Ranges
Item
Power Supply
PWMIN input frequency range
Output frequency
Symbol
VCC
F_PWMIN
FOUT
Range
8.018.0
60500
25200
Unit
V
Hz
kHz
REV. A












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