AN8267S

AN8267S Fan Motor Driver s Overview The AN8267S is an IC to drive the brushless DC fan motors for internally cooling or blowing the air to the office automation equipments and measuring equipmennts. (0.4) 1 2 3 4 5 6 7 8 0.1±0.1 16 15 14 13 12 11 10 9 0.9±0.25 10.09±0.3 0.9±0.25 2.05±0.2 Unit : mm s Features Operating supply voltage range ; VCC=9.6 to 27.6V (Operable at VCC=6V to 9.6V as well) 2-phase half-wave drive, built-in power transistor Built-in lock protective function and automatic reset function Built-in thermal protective circuit (operating temperature: 150˚C typ.) Built-in rotation display function 1.27 0.4±0.25 (0.4) s Application For drive of brush-less DC fan motor 5.5±0.3 7.6±0.3 1.16-pin PANAFLAT Plastic Package (SOP016-P-0300) s Block Diagram VCC 12 C 4 OUT1 6 OUT2 10 VS 14 Hall Bias Lock Protect Automatic Reset 11 VM IN (–) IN (+) 1 16 – Hall Amp. + CTRL TSD 5 13 TSD Revolution Display 2 3 7 9 8 PGND GND RD1 RD2 B1 B2 0.1 0.2 + – 0.05 s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply voltage Supply current Output current (t=0.1s ) Circuit current (Inflow current) Circuit voltage (Applied voltage) Power dissipation Operating ambient temperature Storage temperature Symbol VCC ICC IO (peak) I2, I3 V2, V3, V6, V10 PD Topr Tstg Rating 28.8 18 1.5 10 55 735 Note 1) –30 to + 80 –55 to + 150 Unit V mA A mA V mW ˚C ˚C Note 1) When mounted to the glass epoxy PCB 50 × 50 × 0.8mm s Recommended Operating Range (Ta=25˚C) ...