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AM4953FMTR-G1 Fiches technique(PDF) 1 Page - Diodes Incorporated

No de pièce AM4953FMTR-G1
Description  BTL Drive Single-phase Full-wave Fan Motor Driver
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AM4953FMTR-G1 Fiches technique(HTML) 1 Page - Diodes Incorporated

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Data Sheet
BTL Drive Single-phase Full-wave Fan Motor Driver
AM4953
Apr. 2012
Rev. 1. 5
BCD Semiconductor Manufacturing Limited
1
General Description
The AM4953 is a single-phase BTL output fan motor
driver
designed
by
bipolar
process.
This
IC
features high efficiency, silent operation and includes
lock shutdown and automatic restart functions. When
the
motor
is
under
lock
condition,
the
lock
shutdown function turns off the output current. When
the
lock condition
is
removed,
the
IC
will
restart automatically and allow DC fan to run. It is
applied for high reliability and low noise application,
such as personal computers, notebook, car audio,
CPU
cooling
systems
and
power
supplies
in
consumer electronics systems.
The AM4953 is available in MSOP-10, SSOP-10,
MSOP-8, SOIC-8 and PSOP-8 packages.
Features
BTL Output Single-phase Full-wave Linear
Drive (Gain Resistor=1k to 360k
Ω, Gain=51dB)
Support Low-voltage Drive and Feature a Wide
Usable Voltage Range (2.2V to 16V)
Low Saturation Output (High Side and Low Side
Saturation Voltage): VSAT_TOTAL=1.2V (typical,
IOUT=300mA)
Built-in Lock Protection and Automatic Restart
Circuits
Built-in FG/RD Output
Built-in Hall Sensor Bias (VHB=1.45V)
Thermal Protection Circuit
Small-sized, High Thermal Capacity Package
Applications
Notebook, Personal Computers
Power Supplies in Consumer Electronics, Car
Audio
CPU Cooling Systems
MSOP-10
SSOP-10
MSOP-8
SOIC-8
PSOP-8
Figure 1. Package Types of AM4953


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