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BD7998EFS PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD7998EFS
기능 6ch Power Driver
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BD7998EFS 데이터시트, 핀배열, 회로
Structure
Silicon Monolithic Integrated Circuit
1/3
Product series
Type
6ch Power Driver for CD-ROM,DVD-ROM
BD7998EFS
Function
特長
The spindle driver and the SLED driver can highly effective drive with PWM
drive system.
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
POWER MOS power supply voltage
SPVM1,2
SLRNF1,2
15 #1
V
Preblock/BTL powerblock power supply voltage
Vcc=SLVDD,AVM
15
V
PWM control block power supply voltage
DVcc
7V
Power dissipation
Pd
2.0 2
W
Operating temperature range
Topr
-4085
Storage temperature
Tstg
-55150
Joint part temperature
Tjmax
150
#1 POWER MOS output terminals (1720, 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
Spindle driver powerblock Power supply voltage
Sled motor driver powerblock Power supply voltage
Symbol
SPVM
SLVM
MIN
TYP
Vcc #3
Vcc #3
MAX
Unit
V
V
Preblock / Loading driver powerblock Power supply voltage
Actuator driver powerblock Power supply voltage
SLVDD=Vcc
AVM
AVM
4.3
12
5.0
14
Vcc
V
V
PWM control block power supply voltage
Spindle driver output current
DVcc
Iosp
4.3 5.0 6.0
V
1.2 2.5 #4
A
Actuator/sled motor/loading motor driver output current
Ioo 0.5 0.8 A
#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




BD7998EFS pdf, 반도체, 판매, 대치품
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level
of reliability and the malfunction of which would directly endanger human life (such as medical
instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers
and other safety devices), please be sure to consult with our sales representative in advance.
It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance
of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow
for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in
order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM
cannot be held responsible for any damages arising from the use of the products under conditions out of the
range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact your nearest sales office.
ROHM Customer Support System
THE AMERICAS / EUPOPE / ASIA / JAPAN
www.rohm.com
Contact us : webmaster@ rohm.co.jp
Copyright © 2007 ROHM CO.,LTD.
21, Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan
TEL : +81-75-311-2121
FAX : +81-75-315-0172
Appendix1-Rev2.0

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관련 데이터시트

부품번호상세설명 및 기능제조사
BD7998EFS

6ch Power Driver

Rohm
Rohm

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