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UTC UA8868

5-CHANNEL BTL DRIVER FOR DVD PLAYER

DESCRIPTION

The UTC

UA8868

is a five-channel BTL driver IC for driving the

motors and actuators such as used in DVD player and CD-ROM.

LINEAR INTEGRATED CIRCUIT

FEATURES

* Built-in 5 channel drivers:

Dual actuator drivers

Sled motor driver

Spindle driver

Tray in-out driver

*

Built-in

Two independent comparators

*

Thermal shut down and Mute circuit.

HSOP-28

*Pb-free plating product number: UA8868L

BLOCK DIAGRAM

28

27

26

60K

25

24

-

+

23

22

PGND

21

20

19

Vcc2

18

17

16

15

GND

Stand by

60K

90K

+

-

Spindle

Driver

Actuator

Driver (4x)

+ -

Thermal

Shut down

150K

Vcc2

Vcc2

+

-

60K

150K

Pre-DRV

-

+

PGND Vcc1

TRAY

DRIVER

Sled

Driver

Actuator

Driver (4x)

Vcc1

+

-

150K

60K

1

2

3

4

5

6

7

8

9

10

11

12

13

14

UTC

UNISONIC TECHNOLOGIES

CO., LTD.

1

QW-R109-020,B

www.unisonic.com.tw

next

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