LA6585FA Datasheet, PDF (1/4 Pages) ON Semiconductor – BTL Drive Single-Phase Full-Wave

Ordering number : ENA2088
LA6585FA
Monolithic Linear IC
BTL Drive Single-Phase Full-Wave
Fan Motor Driver
http://onsemi.com
Overview
The LA6585FA is a single-phase bipolar fan motor driver that achieves quite operation, power savings, silent operation
and high efficiency that suppresses reactive current through BTL output linear drive. It provides lock protection and
rotation signal circuits on chip, and is optimal for applications that require high reliability and low noise, such as
notebook personal computers, power supplies in consumer electronic equipment, car audio, and CPU cooling systems.
Features
• BTL output single-phase full-wave linear drive (gain resistor : 1 to 360kΩ, 51dB)
• Supports low-voltage drive and features a wide usable voltage range (2.2 to 14.0V)
• Low saturation output (high side + low side saturation voltage : Vosat (total) = 1.2V (typical), IO = 250mA)
• Built-in lock protection and automatic return circuits
• Built-in FG output
• Built-in Hall sensor bias (VHB = 1.5V)
• Thermal protection circuit
• Small-sized, high thermal capacity package
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
Output current
Output voltage
FG output pin oiutput withstand
voltage
FG output current
Allowable power dissipation
VCC max
IOUT max
VOUT max
VFG max
IFG max
Pd max
When mounted on a circuit board *¹
15
V
0.5
A
15
V
15
V
10
mA
400
mW
Operating temperature
Topr
-30 to +90
°C
Storage temperature
Tstg
-55 to +150
°C
*1 Specified circuit board : 114.3 × 76.1 × 1.6mm³, paper phenol.
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
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
70412 SY 20120619-S00001 No.A2088-1/4