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BD69740FV PDF预览

BD69740FV

更新时间: 2024-11-05 01:14:07
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
31页 1221K
描述
Multifunction Single-phase Full-wave

BD69740FV 数据手册

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Datasheet  
DC Brushless Motor Drivers for Fans  
Multifunction Single-phase Full-wave  
Fan Motor Driver  
BD69740FV  
Description  
BD69740FV is a pre-driver that controls the motor drive part composed of the power transistors.  
It incorporates current limiting circuit, lock protection and automatic restart circuit, PWM soft switching circuit, soft start  
circuit, and quick start circuit.  
The pin is compatible with BD69730FV (rotation speed pulse signal output).  
Features  
„ Pre-driver for external power transistors  
Package  
SSOP-B16  
W(Typ) x D(Typ) x H(Max)  
5.00mm x 6.40mm x 1.35mm  
„ Speed controllable by DC / direct PWM input  
„ PWM soft switching  
„ Soft start  
„ Quick start  
„ Current limit  
„ Lock protection and automatic restart  
„ Lock alarm signal (AL) output  
Applications  
„ Fan motors for general consumer equipment of  
desktop PC, and Server, etc.  
SSOP-B16  
Absolute Maximum Ratings  
Parameter  
Symbol  
Rating  
Unit  
Supply Voltage  
VCC  
Pd  
20  
V
W
Power Dissipation  
0.87(Note 1)  
Operating Temperature  
Topr  
Tstg  
Tjmax  
VOH  
VOL  
IOL  
-40 to +105  
°C  
°C  
°C  
V
Storage Temperature  
-55 to +150  
Junction Temperature  
150  
36  
15  
10  
20  
10  
12  
12  
7
High side output voltage  
Low side output voltage  
V
Low side output current  
mA  
V
Lock alarm signal (AL) output voltage  
Lock alarm signal (AL) output current  
Reference voltage (REF) output current  
Hall bias (HB) output current  
Input voltage (H+, H-, TH, MIN, CS)  
VAL  
IAL  
mA  
mA  
mA  
V
IREF  
IHB  
VIN  
(Note 1) Reduce by 7.0mW/over 25. (On 70.0mm×70.0mm×1.6mm glass epoxy board)  
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit  
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated  
over the absolute maximum ratings.  
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays  
.
www.rohm.com  
TSZ02201-0H1H0B101570-1-2  
11.Aug.2015 Rev.001  
© 2015 ROHM Co., Ltd. All rights reserved.  
TSZ2211114001  
1/28  

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