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LMZ14203EXT Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças LMZ14203EXT
Descrição Electrónicos  3A SIMPLE SWITCHER Power Module With 42-V Maximum Input Voltage for Military and Rugged Applications
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

LMZ14203EXT Folha de dados(HTML) 1 Page - Texas Instruments

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LMZ14203EXT
SNVS666H – JUNE 2010 – REVISED OCTOBER 2015
LMZ14203EXT 3-A SIMPLE SWITCHER® Power Module With 42-V Maximum Input Voltage
for Military and Rugged Applications
1 Features
2 Applications
1
Junction Temperature Range –55°C to 125°C
Point-of-load Conversions from 12-V and 24-V
Input Rail
Integrated Shielded Inductor
Time Critical Projects
Simple PCB Layout
Space Constrained and High Thermal
Flexible Start-up Sequencing Using External Soft-
Requirement Applications
Start and Precision Enable
Negative Output Voltage Applications
Protection Against Inrush Currents and Faults
(See AN-2027 SNVA425)
such as Input UVLO and Output Short Circuit
Single Exposed Pad and Standard Pinout for Easy
3 Description
Mounting and Manufacturing
The LMZ14203EXT SIMPLE SWITCHER® power
Fast Transient Response for Powering FPGAs
module is an easy-to-use step-down DC-DC solution
and ASICs
capable of driving up to 3-A load with exceptional
Low Output Voltage Ripple
power conversion efficiency, line and load regulation,
and output accuracy. The LMZ14203EXT is available
Pin-to-Pin Compatible With Family Devices:
in an innovative package that enhances thermal
LMZ14203EXT/2EXT/1EXT
performance
and
allows
for
hand
or
machine
(42-V Maximum 3 A, 2 A, 1 A)
soldering.
LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
The LMZ14203EXT can accept an input voltage rail
LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
between 6 V and 42 V and can deliver an adjustable
Fully Enabled for WEBENCH® Power Designer
and highly accurate output voltage as low as 0.8 V.
The LMZ14203EXT only requires three external
Electrical Specifications:
resistors and four external capacitors to complete the
18-W Maximum Total Output Power
power solution. The LMZ14203EXT is a reliable and
Up to 3-A Output Current
robust design with the following protection features:
thermal shutdown, input undervoltage lockout, output
Input Voltage Range 6 V to 42 V
overvoltage protection, short circuit protection, output
Output Voltage Range 0.8 V to 6 V
current limit, and the device allows start-up into a
Efficiency up to 90%
prebiased output. A single resistor adjusts the
Performance Benefits:
switching frequency up to 1 MHz.
Low Radiated Emissions and High Radiated
Device Information(1)(2)
Immunity
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Passes vibration Standard MIL-STD-883
LMZ14203EXT
TO-PMOD (7)
10.16 mm × 9.85 mm
Method 2007.2 Condition A JESD22–B103B
(1) For all available packages, see the orderable addendum at
Condition 1
the end of the data sheet.
Passes Drop Standard MIL-STD-883 Method
(2) Peak reflow temperature equals 245°C. See SNAA214 for
2002.3 Condition B JESD22–B110 Condition B
more details.
Simplified Application Schematic
Efficiency 12-V Input at 25°C
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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