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LB8108M - Actuator Driver

Features

  • Includes four H bridge driver channels to drive the four CD player actuators (focus coil, tracking coil, spindle motor and sled motor). (output dynamic range: maximum of about 2 V).
  • Includes a 3.9 V (typical) step-up circuit to supply the DSP, ASP and microprocessor used in the CD player. Also includes another voltage step-up circuit whose voltage can be set with external resistors. (However, note that the transistors, inductors, capacitors and diodes required for drive operat.

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Full PDF Text Transcription

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Ordering number : EN4946A Monolithic Digital IC LB8108M Actuator Driver for Portable CD Players Applications The LB8108M is an actuator driver for use in portable CD players that operate at a power supply voltage of 2.4 (two nicad batteries) or 3.0 V (two dry-cell batteries). Functions and Features • Includes four H bridge driver channels to drive the four CD player actuators (focus coil, tracking coil, spindle motor and sled motor). (output dynamic range: maximum of about 2 V) • Includes a 3.9 V (typical) step-up circuit to supply the DSP, ASP and microprocessor used in the CD player. Also includes another voltage step-up circuit whose voltage can be set with external resistors.
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