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LM5575-Q1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # LM5575-Q1
Description  LM5575-Q1 Simple Switcher짰 75-V, 1.5-A Step-Down Switching Regulator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5575-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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LM5575-Q1
SNOSB23C – OCTOBER 2008 – REVISED DECEMBER 2014
LM5575-Q1 Simple Switcher® 75-V, 1.5-A Step-Down Switching Regulator
1 Features
3 Description
The
LM5575-Q1
is
an
easy-to-use
SIMPLE
1
LM5575-Q1 is an Automotive Grade Product That
SWITCHER® buck regulator which allows design
is AEC-Q100 Grade 0 Qualified
engineers to design and optimize a robust power
-40°C to 150°C Operating Junction Temperature
supply
using
a
minimum
set
of
components.
Integrated 75-V, 330-m
Ω N-Channel MOSFET
Operating with an input voltage range of 6 - 75 V, the
LM5575-Q1 delivers 1.5 A of continuous output
Ultra-Wide Input Voltage Range From 6 V to 75 V
current
with
an
integrated
330-m
N-Channel
Adjustable Output Voltage as Low as 1.225 V
MOSFET. The regulator utilizes an Emulated Current
1.65% Feedback Reference Accuracy
Mode
architecture
which
provides
inherent
line
regulation, tight load transient response, and ease-of-
Operating Frequency Adjustable Between 50 kHz
loop compensation without the usual limitation of low-
and 500 kHz With Single Resistor
duty cycles associated with current mode regulators.
Master or Slave Frequency Synchronization
The operating frequency is adjustable from 50 kHz to
Adjustable Soft-Start
500 kHz to allow optimization of size and efficiency.
To reduce EMI, a frequency synchronization pin
Emulated Current Mode Control Architecture
allows multiple IC’s from the LM(2)557x devices to
Wide Bandwidth Error Amplifier
self-synchronize or to synchronize to an external
Built-In Protection
clock. The LM5575-Q1 ensures robustness with
cycle-by-cycle current limit, short-circuit protection,
2 Applications
thermal shutdown, and remote shutdown. The device
is available in a power enhanced TSSOP-16 package
Automotive
featuring an exposed die attach pad for thermal
Industrial
dissipation. The LM5575-Q1 is supported by the full
suite of WEBENCH® On-Line design tools.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM5575-Q1
HTSSOP (16)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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