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)

LMZ12003

ACTIVO

Módulo de alimentación SIMPLE SWITCHER® de 3A con un voltaje de entrada máximo de 20 V

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TPSM82903 ACTIVO Módulo convertidor reductor síncrono de 3 V a 17 V, 3 A, alta eficiencia y baja IQ con inductor inte Higher efficiency with lower IQ, light-load efficiency, power good, and tracking in a smaller package.

LMZ12003

ACTIVO
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Detalles del producto

Iout (max) (A) 3 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Features Adjustable current limit, EMI Tested, Enable Control mode Constant on-time (COT) Switching frequency (max) (Hz) 1000000 Switching frequency (min) (Hz) 200000
Iout (max) (A) 3 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Features Adjustable current limit, EMI Tested, Enable Control mode Constant on-time (COT) Switching frequency (max) (Hz) 1000000 Switching frequency (min) (Hz) 200000
TO-PMOD (NDW) 7 139.9032 mm² 10.16 x 13.77
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    start Capacitor and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Junction Temperature Range –40°C to 125°C
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for FPGAs and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Devices:
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
  • Fully WEBENCH® Power Designer Enabled
  • Electrical Specifications
    • 18-W Maximum Total Power Output
    • Up to 3-A Output Current
    • Input Voltage Range 4.5 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Performance Benefits
    • Operates at High Ambient Temperature With
      No Thermal Derating
    • High Efficiency Reduces System Heat
      Generation
    • Low Radiated Emissions (EMI) Tested to
      EN55022 Class B Standard
    • Passes 10-V/m Radiated Immunity EMI Test
      Standard EN61000 4-3
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-up Sequencing Using External Soft-
    start Capacitor and Precision Enable
  • Protection Against Inrush Currents and Faults
    such as Input UVLO and Output Short Circuit
  • Junction Temperature Range –40°C to 125°C
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for FPGAs and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible With Devices:
    • LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
    • LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
  • Fully WEBENCH® Power Designer Enabled
  • Electrical Specifications
    • 18-W Maximum Total Power Output
    • Up to 3-A Output Current
    • Input Voltage Range 4.5 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Performance Benefits
    • Operates at High Ambient Temperature With
      No Thermal Derating
    • High Efficiency Reduces System Heat
      Generation
    • Low Radiated Emissions (EMI) Tested to
      EN55022 Class B Standard
    • Passes 10-V/m Radiated Immunity EMI Test
      Standard EN61000 4-3

The LMZ12003 SIMPLE SWITCHER® 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 LMZ12003 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12003 can accept an input voltage rail between 4.5 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12003 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12003 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 this device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

The LMZ12003 SIMPLE SWITCHER® 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 LMZ12003 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12003 can accept an input voltage rail between 4.5 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12003 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12003 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 this device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.
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Documentación técnica

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* Data sheet LMZ12003 3-A Simple Switcher® Power Module with 20-V Maximum Input Voltage datasheet (Rev. O) PDF | HTML 31 ago 2015
User guide LMZ12003 SIMPLE SWITCHER® Power Module Evaluation Module User's Guide (Rev. C) PDF | HTML 13 dic 2021
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) 14 oct 2021
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
White paper Comparing the Merits of Integrated Power Modules versus Discrete Regulators (Rev. B) 15 sep 2016
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-2024 LMZ1420x / LMZ1200x Evaluation Board (Rev. E) 24 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
Application note AN-2200 Precision Current Limiting with the LMP8646 and LMZ12003 (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
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12 jul 2005

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LMZ12003DEMO — Placa demostrativa del módulo de alimentación Simple Switcher® 20 Vin, 3 A

The SIMPLE SWITCHER power module demonstration board is optimized for peak performance and small footprint. The output voltage and fast transient response can be adjusted by replacing the small passive components. The good thermal performance of the power modules is showcased using a 2-layer 1oz (...)

Guía del usuario: PDF | HTML
No disponible en TI.com
Placa de evaluación

LMZ12003EVAL — Placa de evaluación del módulo de alimentación Simple Switcher® 20 Vin, 3 A

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 (...)

Guía del usuario: PDF
No disponible en TI.com
Modelo de simulación

LMZ12003 PSpice Transient Model

SNVM155.ZIP (239 KB) - PSpice Model
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Modelo de simulación

LMZ12003 Unencrypted PSpice Transient Model

SNVM752.ZIP (3 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

Soporte y capacitación

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