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PDF LA6681MC Data sheet ( Hoja de datos )
| Número de pieza | LA6681MC | |
| Descripción | Single-phase Full-wave Fan Motor IC | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA2074
LA6681MC
Monolithic Linear IC
Single-phase Full-wave
Fan Motor IC
http://onsemi.com
Overview
The LA6681MC drives the single-phase bipolar fan motor, through low-saturation BTL output linear drive, silently and
at high efficiency with suppressed reactive power while saving power.
This product is the most suitable for the CPU cooler fan motor operating on 5V power for notebook PC, which is
required to be compactness and low noise.
Functions
• Single-phase full-wave linear drive by BTL output.
: Linear drive for further silence and the most suitable for fan motor for the notebook PC.
• Operable at low voltage and over a wide operation voltage range (2.0 to 7.0V)
• Low saturation output (Upper + lower saturation voltages: VOsat (total) = 0.32V typ, IO = 400mA)
: High coil efficiency and small current drain. Small heat generation from IC itself
• FG output (Rotation detection output: Open collector output)
• High impedance of Hall input pin
• Heat protection circuit
: The heat protection circuit suppresses the drive current to prevent burn or damage of IC when the large current flows
due to output short-circuit and the IC chip temperature exceeds 180°C.
• Small package with high heat capacity
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
Output current
Output withstand voltage
FG output withstand voltage
FG output current
Allowable dissipation
Symbol
VCC max
IOUT max
VOUT max
VFG max
IFG max
Pd max
Conditions
Mounted on a specified board. *1
Ratings
Unit
8V
1.0 A
8V
8V
5 mA
750 mW
Operating temperature
Topr
*2
-30 to +110
°C
Storage temperature
Tstg
-55 to +150
°C
*1: Mounted on a specified board: 114.3×76.1×1.6 mm3, glass epoxy board.
*2: Tjmax = 150°C max must not be exceeded.
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
62012 SY 20120222-S00004 No.A2074-1/4
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LA6681MC.PDF ] | |
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