BD9211F Ver la hoja de datos (PDF) - ROHM Semiconductor
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Fabricante
BD9211F Datasheet PDF : 5 Pages
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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
○Absolute Maximum Ratings (Ta=25℃)
Item
Symbol
Rated voltage
Unit
Power supply voltage
VCC
20
V
Driver Output
N1,N2
20
V
Operating temperature
Topr
-40～+85
℃
Storage temperature range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
+150
℃
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)
〇Recommended Operation Ranges
Item
Symbol
Range
Unit
Power Supply
VCC
8.0～18.0
V
PWMIN input frequency range
F_PWMIN
60～500
Hz
Output frequency
FOUT
25～200
kHz
REV. A
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