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AN8737SB

3-channel driver IC for optical disk drive

Panasonic Corporation 

ICs for Optical Disk Drive

AN8737SB

3-channel driver IC for optical disk drive

s Overview

The AN8737SB is a BTL type 3-channel driver

IC, adopting a current feedback system for 2 chan-

nels, which makes it optimum for an actuator and a

motor driver of CD-ROM/DVD-ROM. It can also

constitute an optimum system in combination with

the AN8488SB, a spindle plus loading driver IC. A

surface mount-type package of good heat radiation

characteristic is used.

s Features

• Little phase delay due to a current feedback system

(2 channels for actuator)

• The remaining channel is available for either

traverse or loading motor drive.

• Wide output dynamic range (4 V/IO = 800 mA)

• Standby function built in (all channels can be

muted.)

• Thermal shut-down circuit built in

• With thermal flag pin

s Applications

• CD/CD-ROM player

• DVD/DVD-ROM drive

18.4±0.2

(5.15)

(4.8)

28

22

21

15

1

7

8

14

(1.2)

(6.4)

0.8

0.35+–00..0150

Seating plane

HSOP042-P-0400

Unit: mm

(1.315)

0° to 10°

0.65±0.20

1

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