DESCRIPTION
L7250 is a power IC for driving the SPINDLE and VCM motors, suitable for 5V & 12V application. The spindle system includes integrated power FETs which are driven using STs Smoothdrive pseudo-sinusoidal commutation technology. The voice coil motor (VCM) system includes integrated power FETs, as well as ramp load and unload capability. Linear 3.3V and1.8V voltage regulators are included, as well as a negative regulator.
   
■ 12V & 5V (±10%) OPERATION
■ REGISTER BASED ARCHITECTURE
■ 3 WIRE SERIAL COMMUNICATION
    INTERFACE UP TO 33 MHZ
■ BCD TECHNOLOGY