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UA8888S - 5-CHANNEL BTL DRIVER

Description

The UTC UA8888S is a 5-channel BTL driver IC for DVD player.

It is developed to driving the motors and actuators and consists of two independent precision voltage regulators with adjustable range from 1.5V~4V.

Features

  • Voltage-type BTL drivers: - two channels : actuators of tracking and focus - two channels : sled and spindle motors. - one channel : bi-direction DC motor driver for tray.
  • Wide dynamic range: 9.0V (typ. ) when VCC1= VCC2= 12V, at RL= 20Ω load. 4.0V (typ. ) when VCC1=12V,VCC2=5V,at RL=15Ω load.
  • Separating power of VCC1 and VCC2 is to improve power efficiency by a low supply voltage for tracking, focus, and spindle.
  • Built-in level shift circuit and mute mode.
  • Thermal shu.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UA8888S 5-CHANNEL BTL DRIVER FOR DVD PLAYER DESCRIPTION The UTC UA8888S is a 5-channel BTL driver IC for DVD player. It is developed to driving the motors and actuators and consists of two independent precision voltage regulators with adjustable range from 1.5V~4V. LINEAR INTEGRATED CIRCUIT FEATURES * Voltage-type BTL drivers: - two channels : actuators of tracking and focus - two channels : sled and spindle motors. - one channel : bi-direction DC motor driver for tray. * Wide dynamic range: 9.0V (typ.) when VCC1= VCC2= 12V, at RL= 20Ω load. 4.0V (typ.) when VCC1=12V,VCC2=5V,at RL=15Ω load * Separating power of VCC1 and VCC2 is to improve power efficiency by a low supply voltage for tracking, focus, and spindle. * Built-in level shift circuit and mute mode.
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