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LA6581T

更新时间： 2024-11-30 02:57:23
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
4页 65K
描述
BTL Driver Single-Phase Full-Wave

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LA6581T 数据手册

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Ordering number : EN7192B  
LA6581T  
Monolithic Linear IC  
Fan Motor Driver  
http://onsemi.com  
BTL Driver Single-Phase Full-Wave  
Overview  
The LA6581T is a low-saturation BTL output linear driving motor driver for single-phase bipolar fan motors. It  
features quite, low power, high efficiency drive that suppresses reactive current. It is optimal for use in applications that  
require miniaturization and low noise, such as CPU cooling fan motors and 5 to 12V electronic game products.  
Functions  
• Single-phase full-wave linear drive with BTL output (gain resistance 500Ω to 284kΩ, 55dB) : Suitable for the  
equipment requiring silent operation, such as game equipment, CPU cooler, etc. because of its freedom from  
switching noise.  
• Low-voltage operation possible, with wide operable voltage range (3 to 16V)  
• Low saturation output (Upper + lower saturation voltage : V sat (total) = 0.3V typ, I = 100mA) : High coil  
O
O
efficiency with low current drain. IC itself does not generate much heat.  
• High impedance of Hall input pin  
• FG output (rotation speed detection output : open collector output)  
• Heat protection circuit : When the large current flows because of output short-circuit, raising the IC chip temperature  
above 180°C, the heat protection circuit suppresses the drive current, preventing IC burn and breakdown.  
• Ultraminiature package (MSOP8: 3.0mm×4.9mm×0.93mm typ) : Small substrate while allowing larger blades.  
Specifications  
Absolute Maximum Ratings at Ta = 25°C  
Parameter  
Symbol  
Conditions  
Ratings  
Unit  
V
Supply voltage  
Output current  
V
I
max  
18  
CC  
max  
max  
0.30  
A
OUT  
Output withstand voltage  
FG output withstand  
V
V
I
18  
18  
V
OUT  
max  
V
FG  
max  
FG output current  
5
mA  
mW  
°C  
°C  
FG  
Allowable power dissipation  
Operating temperature  
Storage temperature  
Pd max  
Topr  
400  
-20 to +90  
-55 to +150  
Tstg  
* Specified board: 20.0mm × 10.1mm × 0.8mm, Paper phenol, wiring density 20%.  
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating  
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.  
Semiconductor Components Industries, LLC, 2013  
May, 2013  
30409 MS / 60607 MS IM B8-5218 / N2502AS (OT) No.7192-1/4  
1234

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