Switch Hall IC Datasheet SDC477 General Description Features The SDC477, is an integrated Hall sensor with H-bridged Toutput driver designed for brushless DC motor applications.
The high sensitivity of Hall-effect sensor is Nsuitable for motors from mini-type CPU coolers to Eblowers and DC fans.
Typical operation current is 250mA OCUMand operating voltage range is wide.
 One-chip hall sensor  Wide operating voltage range: 3.
8V~20V  Output sink current up to 250mA  Output thermal shutdown protection  Package : TO-94 Applications  Brushless DC motor  Brushless DC fan  Revolution counting  Speed measurement FIDENTIAL DTO-94 CON Figure 1.
Package Type SDC December, 2013 Rev.
1.
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