LMZ14203H

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Módulo de alimentación SIMPLE SWITCHER® de 6 V a 42 V, 3 A de alta tensión de salida

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Hoja de datos

document-pdfAcrobat LMZ14203H SIMPLE SWITCHER® 6V to 42V, 3A High Output Voltage Power Module datasheet (Rev. G) (Inglés) PDF | HTML

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TPSM63603

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Módulo de alimentación de 3 A, entrada de 3 V a 36 V y salida de 1 V a 16 V de alta densidad Smaller QFN packaging designed for low EMI.

LMZ14203H

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Detalles del producto

Rating

Catalog

Topology

Buck, Inverting Buck-Boost, Synchronous Buck

Iout (max) (A)

3

Vin (max) (V)

42

Vin (min) (V)

6

Vout (max) (V)

24

Vout (min) (V)

5

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, Inverting Buck-Boost, Synchronous Buck

Iout (max) (A)

3

Vin (max) (V)

42

Vin (min) (V)

6

Vout (max) (V)

24

Vout (min) (V)

5

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 and Precision Enable
Protection Against Inrush Currents
Input UVLO and Output Short-Circuit Protection
–40°C to 125°C Junction Temperature Range
Single Exposed Pad and Standard Pinout for Easy
Mounting and Manufacturing
Low Output Voltage Ripple
Pin-to-Pin Compatible Family:
- LMZ14203H/2H/1H (42 V Maximum, 3-A, 2-A,
  1-A)
- LMZ14203/2/1 (4 2V Maximum, 3-A, 2-A, 1-A)
- LMZ12003/2/1 (20 V Maximum, 3-A, 2-A, 1-A)
Fully Enabled for WEBENCH^® Power Designer
Electrical Specifications
- Up to 3-A Output Current
- Input Voltage Range 6 V to 42 V
- Output Voltage as Low as 5 V
- Efficiency up to 97%
Performance Benefits
- High Efficiency Reduces System Heat
  Generation
- Low Radiated EMI (EN 55022 Class B Tested)
- No Compensation Required
- Low Package Thermal Resistance⁽¹⁾

Integrated Shielded Inductor
Simple PCB Layout
Flexible Start-Up Sequencing Using External Soft-
Start and Precision Enable
Protection Against Inrush Currents
Input UVLO and Output Short-Circuit Protection
–40°C to 125°C Junction Temperature Range
Single Exposed Pad and Standard Pinout for Easy
Mounting and Manufacturing
Low Output Voltage Ripple
Pin-to-Pin Compatible Family:
- LMZ14203H/2H/1H (42 V Maximum, 3-A, 2-A,
  1-A)
- LMZ14203/2/1 (4 2V Maximum, 3-A, 2-A, 1-A)
- LMZ12003/2/1 (20 V Maximum, 3-A, 2-A, 1-A)
Fully Enabled for WEBENCH^® Power Designer
Electrical Specifications
- Up to 3-A Output Current
- Input Voltage Range 6 V to 42 V
- Output Voltage as Low as 5 V
- Efficiency up to 97%
Performance Benefits
- High Efficiency Reduces System Heat
  Generation
- Low Radiated EMI (EN 55022 Class B Tested)
- No Compensation Required
- Low Package Thermal Resistance⁽¹⁾

The LMZ14203H SIMPLE SWITCHER^® power module is an easy-to-use step-down DC-DC solution that can drive up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203H is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203H can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 5 V. The LMZ14203H only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203H 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 allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

The LMZ14203H SIMPLE SWITCHER^® power module is an easy-to-use step-down DC-DC solution that can drive up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203H is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203H can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 5 V. The LMZ14203H only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203H 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 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	Fecha
*	Hoja de datos	LMZ14203H SIMPLE SWITCHER® 6V to 42V, 3A High Output Voltage Power Module datasheet (Rev. G)	PDF \| HTML	3/09/2015
	Guía de selección	Innovative DC/DC Power Modules Selection Guide (Rev. D)		14/10/2021
	Nota sobre la aplicación	Practical Thermal Design With DC/DC Power Modules (Rev. A)		20/11/2019
	Guía de selección	Power Management Guide 2018 (Rev. R)		25/06/2018
	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-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A)		23/04/2013
	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
	Más documentación	SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations		12/07/2005

Diseño y desarrollo

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Placa de evaluación

LMZ14203HEVAL — Placa de evaluación del módulo de alimentación SIMPLE SWITCHER® de 42 Vin, alto voltaje de salid

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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