Inicio Gestión de la energía DC/DC power modules Power modules (integrated inductor)
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Gestión de la energía
DC/DC power modules
Power modules (integrated inductor)

LMZ10503

ACTIVO

Módulo de alimentación de 5,5 V y 3 A en paquete TO de montaje superficial con plomo

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LMZ10503

ACTIVO
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Detalles del producto

Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.95 Vout (max) (V) 5 Vout (min) (V) 0.8 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Features EMI Tested, Enable, Tracking Control mode Voltage mode Switching frequency (max) (Hz) 1160000 Switching frequency (min) (Hz) 750000
Iout (max) (A) 3 Vin (max) (V) 5.5 Vin (min) (V) 2.95 Vout (max) (V) 5 Vout (min) (V) 0.8 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Features EMI Tested, Enable, Tracking Control mode Voltage mode Switching frequency (max) (Hz) 1160000 Switching frequency (min) (Hz) 750000
TO-PMOD (NDW) 7 139.9032 mm² 10.16 x 13.77
  • 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
    • LMZ10504 (4 A / 20 W Maximum)
    • LMZ10505 (5 A / 25 W Maximum)
  • 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
    • High Efficiency up to 96% Reduces System Heat Generation
    • Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard (EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Table 9 and layout information for more regarding device under test.)
    • Fast Transient Response for Powering FPGAs and ASICs
  • 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
    • LMZ10504 (4 A / 20 W Maximum)
    • LMZ10505 (5 A / 25 W Maximum)
  • 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
    • High Efficiency up to 96% Reduces System Heat Generation
    • Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard (EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Table 9 and layout information for more regarding device under test.)
    • Fast Transient Response for Powering FPGAs and ASICs
  • Create a Custom Design Using the LMZ10503 With the WEBENCH® Power Designer

The LMZ10503 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 LMZ10503 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ10503 can accept an input voltage rail between 2.95 V and 5.5 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. One megahertz 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 and/or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled startup. The LMZ10503 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 LMZ10503 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 LMZ10503 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ10503 can accept an input voltage rail between 2.95 V and 5.5 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. One megahertz 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 and/or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled startup. The LMZ10503 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.
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Documentación técnica

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* Data sheet LMZ10503 3-A Power Module With 5.5-V Maximum Input Voltage datasheet (Rev. L) PDF | HTML 15 abr 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Application note AN-2013 LMZ1050x/LMZ1050xEXT SIMPLE SWITCHER Power Module (Rev. E) 02 feb 2017
Application note Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 20 ene 2016
Application note AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 06 may 2013
EVM User's guide AN-2022 LMZ1050x Evaluation Board (Rev. D) 24 abr 2013
User guide LMZ10503/04 Demo Board SIMPLE SWITCHER Power Module Quick Start Guide (Rev. B) 24 abr 2013
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23 abr 2013
Application note AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 23 abr 2013
Application note AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 23 abr 2013
Application note AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 23 abr 2013
More literature SIMPLE SWITCHER® Power Modules for Broadcast Video 02 abr 2012
More literature SIMPLE SWITCHER® Power Modules for Communications Infrastructure 02 abr 2012
More literature SIMPLE SWITCHER® Power Modules for Factory Automation 02 abr 2012
More literature SIMPLE SWITCHER® Power Modules for Medical 02 abr 2012
More literature SIMPLE SWITCHER® Power Modules for Military 02 abr 2012
More literature SIMPLE SWITCHER® Power Modules for Test and Measurement 02 abr 2012
Design guide SIMPLE SWITCHER® Design Guide 11 abr 2011
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12 jul 2005

Diseño y desarrollo

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Modelo de simulación

LMZ10503 PSpice Average Model

SNVM288.ZIP (47 KB) - PSpice Model
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Modelo de simulación

LMZ10503 PSpice Transient Model

SNVM287.ZIP (163 KB) - PSpice Model
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Modelo de simulación

LMZ10503 Unencrypted PSpice Average Model

SNVM736.ZIP (1 KB) - PSpice Model
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Modelo de simulación

LMZ10503 Unencrypted PSpice Transient Model

SNVM735.ZIP (2 KB) - PSpice Model
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Herramienta de cálculo

LMZ1X-LMZXEXTDESIGN-CALC — Estimación de la resistencia térmica LMZ1x/EXT

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Paquete Pasadores Descargar
TO-PMOD (NDW) 7 Ver opciones
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Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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