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Stromversorgungsmodule (integrierter Induktor)

LMZ10503EXT

AKTIV

3-A-Leistungsmodul mit einer maximalen Eingangsspannung von 5,5 V für militärische und robuste Anwen

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Datenblatt

LMZ10503EXT

AKTIV
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Produktdetails

Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.95 Vout (max) (V) 5 Vout (min) (V) 0.8 Features EMI Tested, Enable, Overcurrent protection, Tracking Operating temperature range (°C) -55 to 125 Type Module Duty cycle (max) (%) 100 Control mode Voltage mode Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 1160
Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.95 Vout (max) (V) 5 Vout (min) (V) 0.8 Features EMI Tested, Enable, Overcurrent protection, Tracking Operating temperature range (°C) -55 to 125 Type Module Duty cycle (max) (%) 100 Control mode Voltage mode Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 1160
TO-PMOD (NDW) 7 139.9032 mm² (10.16 mm × 13.77 mm)
  • Integrated Shielded Inductor
  • Flexible Start-up Sequencing Using External Soft Start, Tracking, and Precision Enable
  • Protection Against In-Rush Currents and Faults Such as Input UVLO and Output Short-Circuit
  • Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
  • Pin-to-Pin Compatible With
    • LMZ10504EXT (4-A/20-W Maximum)
    • LMZ10505EXT (5-A/25-W Maximum)
  • Fast Transient Response for Powering FPGAs and ASICs
  • Electrical Specifications
    • 15-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 2.95 V to 5.5 V
    • Output Voltage Range 0.8 V to 5 V
    • ±1.63% Feedback Voltage Accuracy Over Temperature
  • Performance Benefits
    • Operates at High Ambient Temperatures
    • Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard
    • Passes 10-V/m Radiated Immunity EMI Tested to Standard EN61000 4-3
    • 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
    • Create a Custom Design Using the LMZ10503 With the WEBENCH® Power Designer
  • Integrated Shielded Inductor
  • Flexible Start-up Sequencing Using External Soft Start, Tracking, and Precision Enable
  • Protection Against In-Rush Currents and Faults Such as Input UVLO and Output Short-Circuit
  • Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
  • Pin-to-Pin Compatible With
    • LMZ10504EXT (4-A/20-W Maximum)
    • LMZ10505EXT (5-A/25-W Maximum)
  • Fast Transient Response for Powering FPGAs and ASICs
  • Electrical Specifications
    • 15-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 2.95 V to 5.5 V
    • Output Voltage Range 0.8 V to 5 V
    • ±1.63% Feedback Voltage Accuracy Over Temperature
  • Performance Benefits
    • Operates at High Ambient Temperatures
    • Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard
    • Passes 10-V/m Radiated Immunity EMI Tested to Standard EN61000 4-3
    • 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
    • Create a Custom Design Using the LMZ10503 With the WEBENCH® Power Designer

The LMZ10503EXT power module is a complete, easy-to-use, DC-DC solution capable of driving up to a 3-A load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10503EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ10503EXT accepts an input voltage rail between 2.95 V and 5.5 V and delivers an adjustable and highly accurate output voltage as low as 0.8 V. 1-MHz fixed-frequency PWM switching provides a predictable EMI characteristic. Two external compensation components can be adjusted to set the fastest response time, while allowing the option to use ceramic or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled start-up. The LMZ10503EXT is a reliable and robust solution with the following features: lossless cycle-by-cycle peak current limit to protect for over current or short-circuit fault, thermal shutdown, input undervoltage lockout, and prebiased start-up. The LMZ10503EXT is also fully-enabled for WEBENCH® and Power Designer tools.

The LMZ10503EXT power module is a complete, easy-to-use, DC-DC solution capable of driving up to a 3-A load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10503EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ10503EXT accepts an input voltage rail between 2.95 V and 5.5 V and delivers an adjustable and highly accurate output voltage as low as 0.8 V. 1-MHz fixed-frequency PWM switching provides a predictable EMI characteristic. Two external compensation components can be adjusted to set the fastest response time, while allowing the option to use ceramic or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled start-up. The LMZ10503EXT is a reliable and robust solution with the following features: lossless cycle-by-cycle peak current limit to protect for over current or short-circuit fault, thermal shutdown, input undervoltage lockout, and prebiased start-up. The LMZ10503EXT is also fully-enabled for WEBENCH® and Power Designer tools.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt LMZ10503EXT 3-A Power Module With 5.5-V Maximum Input Voltage for Demanding and Rugged Applications datasheet (Rev. J) PDF | HTML 15.04.2019
Anwendungshinweis AN-2013 LMZ1050x/LMZ1050xEXT SIMPLE SWITCHER Power Module (Rev. E) 02.02.2017
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

LMZ10503EXTEVAL — Simple Switcher®-Stromversorgungsmodul mit erweitertem Temperaturbereich, 5,5 Vin, 3 A – Evaluie

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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LMZ10503EXT PSpice Average Model

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LMZ10503EXT PSpice Transient Model

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LMZ10503EXT Unencrypted PSpice Average Model

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LMZ10503EXT Unencrypted PSpice Transient Model

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Berechnungstool

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

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