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SA276
BRUSH-LESS DC-FAN DRIVER WITH ON-CHIP HALL SENSOR

SA276 mainly designed for electronic commutation of brush-less DC fan. This IC internally includes the Hall Plate, Regulator, Pre-Amplifier, Comparator, and a pair of complementary open-collector Outputs (DO, DOB).

SA276 internally includes power-reverse protecting diode, the protecting diode only protects chips but not for coils. If necessary, add one external diode to block the reverse current from coils.



Main feature

  • On-chip hall sensor 

  • Wide operating voltage: 3.5V to 20V

  • 300mA (avg) output sink current

  • Build-in power-reverse protecting diode only for reverse power connecting


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SA276 TO-94 276 Pb free Bulk
Block Diagram

SA276.png

Packages