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Stromversorgungsmodule (integrierter Induktor)

LMZ14203EXT

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Stromversorgungsmodul SIMPLE SWITCHER, 3 A, mit 42 V maximaler Eingangsspannung für militärische und

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung.
TPSM63603E AKTIV 36-V-, 3-A-Abwärts-Stromversorgungsmodul in kleinem 4 mm x 6 mm x 1,8 mm Gehäuse mit erweitertem Tem Smaller QFN packaging designed for low EMI.

LMZ14203EXT

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Produktdetails

Rating Catalog Topology Buck, Inverting Buck-Boost, Synchronous Buck Iout (max) (A) 3 Vin (max) (V) 42 Vin (min) (V) 6 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Tracking Operating temperature range (°C) -55 to 125 Type Module Duty cycle (max) (%) 92.5 Control mode Constant on-time (COT) Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000
Rating Catalog Topology Buck, Inverting Buck-Boost, Synchronous Buck Iout (max) (A) 3 Vin (max) (V) 42 Vin (min) (V) 6 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Tracking Operating temperature range (°C) -55 to 125 Type Module Duty cycle (max) (%) 92.5 Control mode Constant on-time (COT) Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000
TO-PMOD (NDW) 7 139.9032 mm² (10.16 mm × 13.77 mm)
  • Junction Temperature Range –55°C to 125°C
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    Start and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Family Devices:
    • LMZ14203EXT/2EXT/1EXT
      (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
  • Fully Enabled for WEBENCH™ Power Designer
  • Electrical Specifications:
    • 18-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 6 V to 42 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 90%
  • Performance Benefits:
    • Low Radiated Emissions and High Radiated Immunity
    • Passes vibration Standard MIL-STD-883
      Method 2007.2 Condition A JESD22–B103B Condition 1
    • Passes Drop Standard MIL-STD-883 Method 2002.3 Condition B
      JESD22–B110 Condition B
  • Junction Temperature Range –55°C to 125°C
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    Start and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Family Devices:
    • LMZ14203EXT/2EXT/1EXT
      (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
  • Fully Enabled for WEBENCH™ Power Designer
  • Electrical Specifications:
    • 18-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 6 V to 42 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 90%
  • Performance Benefits:
    • Low Radiated Emissions and High Radiated Immunity
    • Passes vibration Standard MIL-STD-883
      Method 2007.2 Condition A JESD22–B103B Condition 1
    • Passes Drop Standard MIL-STD-883 Method 2002.3 Condition B
      JESD22–B110 Condition B

The LMZ14203EXT SIMPLE SWITCHER,sup>® power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203EXT can accept an input voltage rail between 6 V and 42 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14203EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203EXT is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and the device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

The LMZ14203EXT SIMPLE SWITCHER,sup>® power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203EXT can accept an input voltage rail between 6 V and 42 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14203EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203EXT is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and the device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LMZ14203EXT 3-A SIMPLE SWITCHER® Power Module With 42-V Maximum Input Voltage for Military and Rugged Applications datasheet (Rev. H) PDF | HTML 03.09.2015
Anwendungshinweis Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 20.01.2016
Anwendungshinweis AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 06.05.2013
Anwendungshinweis AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23.04.2013
Anwendungshinweis AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 23.04.2013
Anwendungshinweis AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 23.04.2013
Anwendungshinweis AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 23.04.2013
Designleitfaden SIMPLE SWITCHER® Design Guide 11.04.2011
Anwendungshinweis Understanding and Applying Current-Mode Control Theory 19.08.2007
Weitere Dokumente SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12.07.2005
Anwendungshinweis AN-643 EMI/RFI Board Design (Rev. B) 03.05.2004

Design und Entwicklung

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Evaluierungsplatine

LMZ14203EXTEVAL — Evaluierungsplatine für Simple Switcher® Stromversorgungsmodul 42Vin, 3 A erweiterter Temperaturbere

The SIMPLE SWITCHER power module evaluation board is optimized for peak performance and increased flexibility. By incorporating additional ceramic and an aluminum filter capacitor, the power module EVAL board demonstrates the low output ripple, fast transient response, and low conducted and (...)

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Simulationsmodell

LMZ14203EXT Unencrypted PSpice Transient Model

SNVM769.ZIP (3 KB) - PSpice-Modell
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Simulationsmodell

LMZ14203EXT Unencrypted PSpice Transient Model Package (Rev. A)

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Berechnungstool

LMZ1X-LMZXEXTDESIGN-CALC — LMZ1x/EXT Schätzung des Wärmewiderstands

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