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UA8888S, UA8954, UA8954RGOA

Table of contents:
Info of UA8888S
Info of UA8954
Info of UA8954RGOA

UA8888S, UA8954, UA8954RGOA Selling Leads, Datasheet

MFG:UTC Package Cooled:HSOP28 D/C:O9+

UA8888S, UA8954, UA8954RGOA Datasheet download

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Part Number: UA8888S

MFG: UTC

Package Cooled: HSOP28

D/C: O9+

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UA8888S General 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.

UA8888S Maximum Ratings

PARAMETER	SYMBOL	RATINGS	UNIT
Supply Voltage	V_CC	15	V
Power Dissipation (Note) Derating Rate Ta>25	P_D	1.7 13.6	W mW
Operate Temperature	T_OPR	-35 ~ +85
Storage Temperature	T_STG	-55 ~ +150

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied

UA8888S 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= 20 load.
4.0V (typ.) when VCC1=12V,VCC2=5V,at RL=15 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 shutdown protection.
* Differential inputs for signal addition are provided by input OPs.The output structure for dual actuator driver is two power OP Amps in bridge configuration, and one OP Amp for Sled Motor Driver.
* Spindle driver is a single input linear BTL driver. The output structure is two power OP Amps in bridge configuration.
* Tray in-out driver functions as a DC motor driver supports forward/reverse control for tray motor.
* Built-in regulator controllers: Adjustable range 1.5V ~ 4V

UA8888S Connection Diagram

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