Features

• On-Chip Hall Sensor with Two Different Sensitivity and

Hysteresis Settings for ATS277H

• 3.5V to 20V Operating Voltage

• 400mA (avg.) Output Sink Current

• Built-in Protecting Diode Only for Chip Reverse Power

Connecting

• -20°C to 85°C Operating Temperature

• Low Profile 4 Pin SIP Package

• Lead Free package: SIP-4L

• SIP-4L: Available in “Green” Molding Compound

(No Br, Sb)

• Lead Free Finish/ RoHS Compliant (Note 1)

Applications

• Dual-Coil Brush-Less DC Motor

• Dual-Coil Brush-Less DC Fan

• Revolution Counting

• Speed Measurement