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LM5575MHX/NOPB bảng dữ liệu(PDF) 1 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  SIMPLE SWITCHER 75V, 1.5A Step-Down Switching Regulator
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LM5575MHX/NOPB bảng dữ liệu(HTML) 1 Page - Texas Instruments

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BST
SW
COMP
FB
SS
RAMP
RT
VCC
VIN
OUT
IS
GND
LM5575
VIN
VOUT
SYNC
SD
LM5575
www.ti.com
SNVS471G – JANUARY 2007 – REVISED APRIL 2013
LM5575/LM5575Q SIMPLE SWITCHER® 75V, 1.5A Step-Down Switching Regulator
Check for Samples: LM5575
1
FEATURES
DESCRIPTION
The LM5575 is an easy to use SIMPLE SWITCHER®
23
LM5575Q is an Automotive Grade Product that
buck regulator which allows design engineers to
is AEC-Q100 Grade 1 Qualified (
−40°C to +
design and optimize a robust power supply using a
125°C Operating Junction Temperature)
minimum set of components. Operating with an input
Integrated 75V, 330m
Ω N-channel MOSFET
voltage range of 6 - 75V, the LM5575 delivers 1.5A of
continuous output current with an integrated 330m
Ultra-wide Input Voltage Range from 6V to 75V
N-Channel
MOSFET.
The
regulator
utilizes
an
Adjustable Output Voltage as Low as 1.225V
Emulated Current Mode architecture which provides
1.5% Feedback Reference Accuracy
inherent line regulation, tight load transient response,
Operating Frequency Adjustable Between
and ease of loop compensation without the usual
limitation of low-duty cycles associated with current
50kHz and 500kHz with Single Resistor
mode
regulators.
The
operating
frequency
is
Master or Slave Frequency Synchronization
adjustable
from
50kHz
to
500kHz
to
allow
Adjustable Soft-Start
optimization of size and efficiency. To reduce EMI, a
Emulated Current Mode Control Architecture
frequency synchronization pin allows multiple IC’s
from the LM(2)557x family to self-synchronize or to
Wide Bandwidth Error Amplifier
synchronize to an external clock. The LM5575
Built-in Protection
ensures robustness with cycle-by-cycle current limit,
Automotive Grade Product Datasheet that is
short-circuit
protection,
thermal
shut-down,
and
remote shut-down. The device is available in a power
AEC-Q100 Grade 0 Qualified is Available Upon
enhanced
HTSSOP-16
package
featuring
an
Request.
exposed die attach pad for thermal dissipation. The
(
−40°C to + 150°C Operating Junction
LM5575 is supported by the full suite of WEBENCH®
Temperature)
On-Line design tools.
APPLICATIONS
PACKAGE
Automotive
HTSSOP-16EP (Exposed Pad)
Industrial
Simplified Application Schematic
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
WEBENCH is a registered trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


Số phần tương tự - LM5575MHX/NOPB

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