CMD4510

Motor Driver for Portable DVD Player with DC-DC Step Down Converter

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 3 of 7

Rev 1.0 Mar. 28, 2006

Pin No

Pin Name

Description

20

VOSP+

Spindle driver output(+)

21

VOSP-

Spindle driver output(-)

22

VINSP

Input for spindle driver

23

VINTK

Input for tracking driver

24

Vcc2

Vcc for power block of spindle, tracking and focus

25

PGND

Ground for analog ground

26

PGND1

Ground for step down converter 1

27

PGND2

Ground for step down converter 2

28

IPK1

Current sense 1

29

SW1

Switching output 1

30

COMP1

Comparator inverting input 1

31

CT1

Timing capacitor input 1

32

EN1

Enable pin for buck converter 1

33

MUTE

Input for mute control

34

BIAS

Input for reference voltage

ABSOLUTE MAXIMUM RATINGS

(Ta=25

°C)

Characteristic

Symbol

Value

Unit

Supply Voltage 1 for driver

Vcc1

13.5

V

Supply Voltage 2 for driver

Vcc2

13.5

V

Supply voltage for converter

PVcc

17.6

V

Power dissipation

Pd

2.2*

°C

Operating Temperature range

Topr

-40~+85

°C

Storage temperature range

Tstg

-55~+150**

°C

* Power dissipation reduces

17.6mW/

*

* 70mm×70mm×1.6mm glass epoxy board.

RECOMMENDED OPERATING CONDITIONS (Ta=25

°C)

Characteristic

Symbol

Value

Unit

Vcc1

4.3~13.2

Vcc2

4.3~Vcc1

Power supply voltage

PVcc

4.5~16

V