Datasheet > BD7998EFS_1

BD7998EFS_1

更新时间： 2024-11-04 06:41:55

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
4页	172K
描述
Silicon Monolithic Integrated Circuit

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中文翻译

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数据手册

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BD7998EFS_1 数据手册

1/3

Structure

Product series

Type

Silicon Monolithic Integrated Circuit

6ch Power Driver for CD-ROM,DVD-ROM

BD7998EFS

Function

・The spindle driver and the SLED driver can highly effective drive with PWM

drive system.

特

長

・The actuator driver and the loading driver are liner BTL drive system and are

achieving a low noise power.

○Absolute maximum ratings

Parameter

Symbol

Limits

Unit

SPVM1,2

SLRNF1,2

Vcc=SLV_DD,AVM

DVcc

POWER MOS power supply voltage

Preblock/BTL powerblock power supply voltage

PWM control block power supply voltage

Power dissipation

＃

2.0

℃

Operating temperature range

Storage temperature

Topr

-40～85

-55～150

150

Tstg

Joint part temperature

Tjmax

#1 POWER MOS output terminals (17～20, 30, 33, 35pin) is contained.

#2 PCB (70mm×70mm×1.6mm,occupied copper foil is less than 3%,glass epoxy standard board) mounting.

Reduce power by 16mW for each degree above 25℃.

○Recommended operating conditions (Ta=-40～+85℃)

〔Set the power supply voltage taking allowable dissipation into considering〕

Parameter

Symbol

SPVM

SLVM

SLV_DD=Vcc

AVM

MIN

－

TYP

MAX

－

Unit

Spindle driver powerblock Power supply voltage

Sled motor driver powerblock Power supply voltage

Preblock / Loading driver powerblock Power supply voltage

Actuator driver powerblock Power supply voltage

PWM control block power supply voltage

Vcc

－

AVM

4.3

－

5.0

1.2

0.5

Vcc

6.0

DVcc

Spindle driver output current

Iosp

2.5 ^#4

Actuator/sled motor/loading motor driver output current

Ioo

－

0.8

#3 Set the same supply voltage to SPVM,SLVM and Vcc.

#4 The current is guaranteed 3.0A in case of the current is turned on/off in a duty-ratio of less than 1/10 with a maximum

on-time of 5msec

This product isn’t designed for protection against radioactive rays.

REV. A

12 3 4

中文翻译

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