LA6587T_11 SANYO [Sanyo Semicon Device], LA6587T_11 Datasheet

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LA6587T_11

Manufacturer Part Number
LA6587T_11
Description
Fan Motor Driver BTL Driver Single-Phase Full-Wave
Manufacturer
SANYO [Sanyo Semicon Device]
Datasheet
Ordering number : ENA0603A
LA6587T
Overview
Functions
Specifications
Absolute Maximum Ratings at Ta = 25°C
Output voltage
Allowable power dissipation
Output current
Output withstand voltage
The LA6587T is single-phase bipolar fan motor is driven, through BTL output linear drive, at high efficiency, low power,
and low sound by suppressing the reactive power. Lock protection, rotary signal (FG, 1/2FG) circuits are incorporated,
which is optimum for the notebook PC, consumer equipment power supply, car audio system, CPU cooler, etc. that require
high reliability and low noise.
• Single-phase full-wave linear drive by BTL output (gain resistance 1kΩ-360kΩ, 51dB)
• Low-voltage operation possible, with wide operating voltage range (2.2 to 14.0V)
• Low saturation output (Upper + lower saturation voltage : V O sat (total) = 1.1Vtyp, I O = 100mA)
• Built-in lock protection and automatic reset circuits
• Built-in FG & 1/2FG outputs
• Built-in Hall bias (V HB = 1.5V)
• Thermal protection circuit
• Extra-small package (MSOP10)
: No switching noise, which is optimum for equipment requiring silence, such as consumer equipment power supply, car
: High coil efficiency with low current drain. Additionally, IC itself generates only small heat.
: When the large current flows due to output short-circuit and the IC chip temperature exceeds 180°C, this protective
audio system, etc.
circuit suppresses the drive current to prevent burn and damage to IC.
"standard application", intended for the use as general electronics equipment. The products mentioned herein
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
device, the customer should always evaluate and test devices mounted in the customer
equipment.
Parameter
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
V OUT max
I OUT max
V CC max
Pd max
Symbol
Monolithic Linear IC
Fan Motor Driver
BTL Driver Single-Phase Full-Wave
Mounted on a specified board*
Conditions
92811 SY 20110922-S00002/D0606 MS PC B8-7868 No.A0603-1/5
Ratings
'
s products or
Continued on next page.
400
0.6
15
15
Unit
mW
V
A
V

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LA6587T_11 Summary of contents

Page 1

Ordering number : ENA0603A LA6587T Overview The LA6587T is single-phase bipolar fan motor is driven, through BTL output linear drive, at high efficiency, low power, and low sound by suppressing the reactive power. Lock protection, rotary signal (FG, 1/2FG) circuits ...

Page 2

Continued from preceding page. Parameter Symbol RD/FG output pin output V RD/FG withstand voltage max RD/FG output current I RD/FG max HB output current I B max Operating temperature Topr Storage temperature Tstg * Mounted on a specified board : ...

Page 3

Package Dimensions unit : mm (typ) 3297 3 (0.5) 0.5 0.2 0.125 SANYO : MSOP10(150mil) Pin Assignment IN+ HB IN- CT OUT1 LA6587T Pd max -- Ta 0.5 Specified board : 20mm×10mm×0.8mm 0.4 0.3 0.2 0.1 ...

Page 4

Block Diagram V CC AMP power supply 1.5VRG HB IN+ H IN- GND LA6587T OUT1 OUT2 Control circuit Charge discharge Discharge pulse CT = 0.47 to 1μF FG 1/2FG No.A0603-4/5 ...

Page 5

Sample Application Circuit board element *1 : When the breakdown protective DI at reverse connection used necessary to insert the capacitor Cr to secure the regenerative current route. Similarly, Cr must ...

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