BD9009HFP Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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STRUCTURE
TYPE
PRODUCT SERIES
FEATURES
Silicon Monolithic Integrated Circuit
Flexible Step-Down Switching Regulator
BD9009HFP
・Wide input Range ： 7～35V ・Integrated 4A P-ch Power MOS FET
・High Precision(Reference Voltage) ： ±2%
・Adjustable Frequency ： 50k～500kHz
((it is possible external synchronization until 500kHz))
・Oscillation frequency accuracy ： ±5% (200～500kHz)
○ABSOLUTE MAXIMUM RATINGS（Ta＝25℃）
Parameter
Symbol
Limits
Unit
Supply Voltage
VIN
36
V
SW Pin Voltage
Output SW Current
Vsw
Isw
VIN
V
4⁽¹⁾
A
EN, SYNC Pin Voltage
VEN/SYNC
VIN
V
RT, FB, INV Pin Voltage
Power Dissipation
VRT,VFB, VINV
7
V
Pd
5.5⁽²⁾
W
Operating Temperature Range
Topr
-40～+105
℃
Storage Temperature Range
Tstg
-55～+150
℃
Maximum Junction Temperature
Tjmax
150
℃
（1）Do not however exceed Pd.
（2）Pd derated at 44mW/℃ for temperature above Ta=25℃, Mounted on a double layer PCB 70mm×70mm×1.6mm.
(with Thermal vias / Copper area：70mm×70mm)
○OPERATING CONDITIONS（Ta=-40～+105℃）
Parameter
Symbol
Min.
Max.
Unit
Recommend Supply Voltage
VIN
7
35
V
Output Switch Current
ISW
－
4
A
Oscillator Frequency
FOSC
50
500
kHz
＊Electrical characteristics are not guaranteed (especially when operating on reduce voltage)
＊The product is not designed for protection against radioactive rays.
REV. A