LM60430

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Convertidor reductor síncrono ultrapequeño de 3.8 V a 36 V y 3 A

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document-pdfAcrobat LM604x0 3.8-V to 36-V, 3-A, and 4-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. A) (Inglés) PDF | HTML

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LMR33630

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Convertidor buck síncrono SIMPLE SWITCHER® de 3,8 V a 36 V, 3 A con EMI ultrabaja SOIC-8 and HotRod QFN package option

LM60430

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Detalles del producto

Rating

Catalog

Topology

Buck

Iout (max) (A)

3

Vin (max) (V)

36

Vin (min) (V)

3.8

Vout (max) (V)

24

Vout (min) (V)

1

Features

Enable, Fixed soft start, Light-load efficiency, Overcurrent protection, Power good, Synchronous rectification, UVLO adjustable, Wettable flanks package

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000024

Duty cycle (max) (%)

98

Rating

Catalog

Topology

Buck

Iout (max) (A)

3

Vin (max) (V)

36

Vin (min) (V)

3.8

Vout (max) (V)

24

Vout (min) (V)

1

Features

Enable, Fixed soft start, Light-load efficiency, Overcurrent protection, Power good, Synchronous rectification, UVLO adjustable, Wettable flanks package

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000024

Duty cycle (max) (%)

98

WQFN-FCRLF (RPK)

13

6 mm² 3 x 2

Functional Safety-Capable
- Documentation available to aid functional safety system design
Low EMI and switching noise
- Meets CISPR22 class 5 standard
- Enhanced QFN package minimizes parasitic inductance and switch node ringing
Configured for rugged industrial applications
- Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
- Pin compatible variants:
  - LM60440 (36 V, 4 A)
  - LM60430 (36 V, 3 A)
- Junction temperature range –40°C to +150°C
- Frequency: 400 kHz, 1 MHz
- Output voltage range: 1 V to 24 V
High efficiency power conversion at all loads
- Peak efficiency > 95%
- 90% PFM efficiency at 10-mA, 12 V_IN, 5 V_OUT
- Low operating quiescent current of 25 µA
Create a custom design using the LM60440 with the WEBENCH^® Power Designer

Functional Safety-Capable
- Documentation available to aid functional safety system design
Low EMI and switching noise
- Meets CISPR22 class 5 standard
- Enhanced QFN package minimizes parasitic inductance and switch node ringing
Configured for rugged industrial applications
- Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
- Pin compatible variants:
  - LM60440 (36 V, 4 A)
  - LM60430 (36 V, 3 A)
- Junction temperature range –40°C to +150°C
- Frequency: 400 kHz, 1 MHz
- Output voltage range: 1 V to 24 V
High efficiency power conversion at all loads
- Peak efficiency > 95%
- 90% PFM efficiency at 10-mA, 12 V_IN, 5 V_OUT
- Low operating quiescent current of 25 µA
Create a custom design using the LM60440 with the WEBENCH^® Power Designer

The LM604x0 regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged industrial applications. The LM60430 drives up to 3-A of load current, and the LM60440 is industry’s smallest 4A step-down converter.

The LM604x0 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0 are designed to simplify implementation for a wide range of end equipment.

This device is also available in an AEC-Q100-qualified version.

The LM604x0 regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged industrial applications. The LM60430 drives up to 3-A of load current, and the LM60440 is industry’s smallest 4A step-down converter.

The LM604x0 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0 are designed to simplify implementation for a wide range of end equipment.

This device is also available in an AEC-Q100-qualified version.

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Documentación técnica

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=Principal documentación para este producto seleccionada por TI

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Data sheet	LM604x0 3.8-V to 36-V, 3-A, and 4-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. A)	PDF \| HTML	18 jun 2020
	Application note	Enhanced HotRod QFN Package: Industry-Best Size with Low EMI (Rev. A)	PDF \| HTML	17 ago 2021
	Functional safety information	LM604x0 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA	PDF \| HTML	01 oct 2020

Diseño y desarrollo

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Placa de evaluación

LM60440AQEVM — Módulo de evaluación del convertidor reductor síncrono de 36 V, 4 A y 2x3 mm

El módulo de evaluación (EVM) LM60440AQEVM ayuda a los diseñadores a evaluar el funcionamiento y el rendimiento del regulador reductor de entrada amplia LM60440-Q1. El LM60440-Q1 es un convertidor CC/CC reductor sincrónico fácil de usar capaz de manejar hasta 4 A de corriente de carga a partir de (...)

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