FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch
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FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch April 2012 FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch • Short circuit protection with latch • Current limitation • Overload protection • Thermal shutdown with restart • Overvoltage protection including load dump • Loss of ground protection • Loss of supply protection with external diode for charged inductive load • Very low standby current • Fast demagnetization of inductive loads • ESD protection • Optimized static electromagnetic compatibility • Diagnostic function - Proportional load current sense with defined fault signal in case of overload operation, over temperature shutdown and/or short circuit shutdown • Qualified to AEC • Power switch with current sense diagnostic feedback for DC grounded loads • All types of resistive, inductive, and capacitive loads • Replace electromechanical relays, fuses and discrete circuits N channel power FET with charge pump, current controlled input and diagnostic feedback with load current sense, integrated in Smart Trench chip on chip technology. Provides embedded protective functions. TO263-7L TO220-7L Ordering Information Part Number FDBS09H04A_F085A Package TO263-7L Operating Temperature -40 C - 150 C Eco Status RoHS Packing Method Tape & Reel For Fairchild’s definition of “green” Eco Status, please visit: 2011 Fairchild Semiconductor Corporation FDBS09H04A_F085A/FDPS09H04A_F085A FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch Block Diagram Voltage Source Charge Current Gate Pump Limit Protection High-side Driver Input / Output 3 IN ESD & OVP Protection IS UVLO & Control Logic SCIS Temp. Sense Current Sense Overload Detection Output Voltage Detection OUT 2 Pin Definitions Pin Number 1 2 3 4 5 Pin Name IN Vbb IS Pin Function Description Output to loads Pins 1, 2, 6 and 7 must be externally shorted Output to loads Pins 1, 2, 6 and 7 must be externally shorted Input Activates the power switch if shorted to ground Supply Voltage Pin 4 and tab are internally shorted Sense Output, Diagnostic feedback Provides at normal operation a sense current proportional to the load current in case of overload, over tempera- |
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