Datasheet > LA6581T

LA6581T

更新时间： 2024-09-17 02:57:23

品牌	Logo	应用领域
安森美 - ONSEMI		/
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4页	65K
描述
BTL Driver Single-Phase Full-Wave

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数据手册

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LA6581T 数据手册

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

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

Supply voltage

Output current

max

0.30

OUT

Output withstand voltage

FG output withstand

OUT

max

FG output current

°C

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

12 3 4

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