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LMZ12002

ACTIVO

Módulo de alimentación SIMPLE SWITCHER® de 4,5 V a 20 V, 2 A en paquete TO de montaje superficial co

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Detalles del producto

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Tracking Operating temperature range (°C) -40 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, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Tracking Operating temperature range (°C) -40 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)
  • 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 Family 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
  • Performance Benefits
    • 12-W Maximum Total Power Output
    • Up to 2-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%
  • Electrical Specifications
    • 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
    • Low External Component Count
  • 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 Family 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
  • Performance Benefits
    • 12-W Maximum Total Power Output
    • Up to 2-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%
  • Electrical Specifications
    • 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
    • Low External Component Count

The LMZ12002 SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12002 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12002 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 LMZ12002 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12002 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 LMZ12002 SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12002 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12002 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 LMZ12002 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12002 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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LMZ12002 2-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage datasheet (Rev. H) PDF | HTML 31/08/2015
Guía de selección Innovative DC/DC Power Modules Selection Guide (Rev. D) 14/10/2021
Guía de selección Power Management Guide 2018 (Rev. R) 25/06/2018
Informe Comparing the Merits of Integrated Power Modules versus Discrete Regulators (Rev. B) PDF | HTML 15/09/2016
Nota sobre la aplicación Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 20/01/2016
Nota sobre la aplicación AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 6/05/2013
Nota sobre la aplicación AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 23/04/2013
Nota sobre la aplicación AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 23/04/2013
Nota sobre la aplicación AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 23/04/2013
Más documentación SIMPLE SWITCHER® Power Modules for Test and Measurement 2/04/2012
Más documentación SIMPLE SWITCHER® Power Modules for Military 2/04/2012
Más documentación SIMPLE SWITCHER® Power Modules for Broadcast Video 2/04/2012
Más documentación SIMPLE SWITCHER® Power Modules for Communications Infrastructure 2/04/2012
Más documentación SIMPLE SWITCHER® Power Modules for Medical 2/04/2012
Más documentación SIMPLE SWITCHER® Power Modules for Factory Automation 2/04/2012
Más documentación SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12/07/2005

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

LMZ12002EVAL — Placa de evaluación del módulo de alimentación Simple Switcher® 20 Vin, 2 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
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En inventario
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No disponible
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
Productos y hardware compatibles
En inventario
Límite:
??asset.out-of-stock-ti_es_MX??
No disponible
Modelo de simulación

LMZ12002 PSpice Transient Model

SNVM142.ZIP (230 KB) - Modelo PSpice
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Modelo de simulación

LMZ12002 Unencrypted PSpice Transient Model

SNVM750.ZIP (3 KB) - Modelo PSpice
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Herramienta de cálculo

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

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Pedidos y calidad

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