LMZ14203H

Name: LMZ14203H
Brand: TI
SKU: LMZ14203H
Price: 9.874 USD

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Módulo de alimentación SIMPLE SWITCHER® de 6 V a 42 V, 3 A de alto voltaje 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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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

Operating temperature range (°C)

-40 to 125

Topology

Buck, Inverting Buck-Boost, Synchronous Buck

Type

Module

Iout (max) (A)

3

Vin (min) (V)

6

Vin (max) (V)

42

Vout (min) (V)

5

Vout (max) (V)

24

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

1000

Features

EMI Tested, Enable, Tracking

Control mode

Constant on-time (COT)

Duty cycle (max) (%)

92.5

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck, Inverting Buck-Boost, Synchronous Buck

Type

Module

Iout (max) (A)

3

Vin (min) (V)

6

Vin (max) (V)

42

Vout (min) (V)

5

Vout (max) (V)

24

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

1000

Features

EMI Tested, Enable, Tracking

Control mode

Constant on-time (COT)

Duty cycle (max) (%)

92.5

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 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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	Tipo	Título		Fecha
*	Data sheet	LMZ14203H SIMPLE SWITCHER® 6V to 42V, 3A High Output Voltage Power Module datasheet (Rev. G)	PDF \| HTML	03 sep 2015
	Selection guide	Innovative DC/DC Power Modules Selection Guide (Rev. D)		14 oct 2021
	Application note	Practical Thermal Design With DC/DC Power Modules (Rev. A)		20 nov 2019
	Selection guide	Power Management Guide 2018 (Rev. R)		25 jun 2018
	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
	User guide	AN-2089 LMZ14203H/02H/01H Evaluation Board (Rev. A)		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
	More literature	SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations		12 jul 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