DESCRIPTION

The M56733AFP is a semiconductor integrated circuit designed as a single chip controller for the FDD spindle motor. The IC is equipped with a power amplifier, hole amplifier, FG amplifier, oscillator, speed discriminator, and various types of protection circuits. Equipped with MOD pin that enables 3-speed switching with a single pin, the M56733AFP is very convenient to make system compact.

FEATURES

●Provided with digital servo enabling high precision, high stability and non-adjustment.

●3-speed switching function with a pin .................................. MOD

● Enable two systems .......................................................... EN•EN

●IO (peak)=1.0A

●Low capacitance of dumping capacitor

APPLICATION

FDD spindle motor (5)