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DC/DC switching regulators
DC/DC converters

LM5575-Q1

ACTIVO

Regulador de conmutación reductor de 75 V y 1.5 A

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LM5575-Q1

ACTIVO
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Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 1.5 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 70 Vout (min) (V) 1.23 Features Enable, Frequency synchronization, Over Current Protection, Soft Start Adjustable, Tracking Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.001 Duty cycle (max) (%) 95
Rating Automotive Topology Buck Iout (max) (A) 1.5 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 70 Vout (min) (V) 1.23 Features Enable, Frequency synchronization, Over Current Protection, Soft Start Adjustable, Tracking Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.001 Duty cycle (max) (%) 95
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • AEC-Q100-qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C operating temperature
    • Device temperature grade 0: –40°C to +150°C operating temperature
    • Device HBM ESD classification level 2
  • Integrated 75-V, 330-mΩ N-channel MOSFET
  • Ultra-wide input-voltage from 6 V to 75 V
  • Adjustable output voltage as low as 1.225 V
  • 1.65% Feedback reference accuracy
  • Operating frequency adjustable between 50 kHz and 500 kHz with single resistor
  • Master or slave frequency synchronization
  • Adjustable soft start
  • Emulated current-mode-control architecture
  • Wide bandwidth error amplifier
  • Built-in protection
  • Create a custom design using the LM5575-Q1 with the WEBENCH® Power Designer
  • AEC-Q100-qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C operating temperature
    • Device temperature grade 0: –40°C to +150°C operating temperature
    • Device HBM ESD classification level 2
  • Integrated 75-V, 330-mΩ N-channel MOSFET
  • Ultra-wide input-voltage from 6 V to 75 V
  • Adjustable output voltage as low as 1.225 V
  • 1.65% Feedback reference accuracy
  • Operating frequency adjustable between 50 kHz and 500 kHz with single resistor
  • Master or slave frequency synchronization
  • Adjustable soft start
  • Emulated current-mode-control architecture
  • Wide bandwidth error amplifier
  • Built-in protection
  • Create a custom design using the LM5575-Q1 with the WEBENCH® Power Designer

The LM5575-Q1 is an easy-to-use buck regulator that allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 V to 75 V, the LM5575-Q1 delivers 1.5 A of continuous output current with an integrated 330-mΩ N-channel MOSFET. The regulator utilizes an emulated current mode architecture which provides inherent line regulation, tight load-transient response, and ease-of-loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. The LM5575-Q1 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shutdown, and remote shutdown. The device is available in a power enhanced 16-pin HTSSOP package featuring an exposed die attach pad for thermal dissipation. The LM5575-Q1 is supported by the full suite of WEBENCH® on-Line design tools. For AEC-Q100 grade 1 and grade 0 orderable numbers, see the orderable addendum at the end of this data sheet.

The LM5575-Q1 is an easy-to-use buck regulator that allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 V to 75 V, the LM5575-Q1 delivers 1.5 A of continuous output current with an integrated 330-mΩ N-channel MOSFET. The regulator utilizes an emulated current mode architecture which provides inherent line regulation, tight load-transient response, and ease-of-loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. The LM5575-Q1 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shutdown, and remote shutdown. The device is available in a power enhanced 16-pin HTSSOP package featuring an exposed die attach pad for thermal dissipation. The LM5575-Q1 is supported by the full suite of WEBENCH® on-Line design tools. For AEC-Q100 grade 1 and grade 0 orderable numbers, see the orderable addendum at the end of this data sheet.
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Documentación técnica

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* Data sheet LM5575-Q1 75-V, 1.5-A Step-down Switching Regulator datasheet (Rev. F) PDF | HTML 15 dic 2018
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 25 mar 2024
White paper Overcoming Challenges in Designing Step-Dwn Reg Apps w/40V Input Voltage (Rev. A) 03 jul 2018
Application note Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A) 12 sep 2014
Application note AN-1997 Error Amplifier Limitations in High-Performance Regulator Applications (Rev. A) 06 may 2013
Application note AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C) 24 abr 2013
Application note AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C) 23 abr 2013
Application note AN-1197 Selecting Inductors for Buck Converters (Rev. B) 23 abr 2013
Application note AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C) 23 abr 2013
Application note AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C) 23 abr 2013
Application note AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B) 23 abr 2013
Application note AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A) 23 abr 2013
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23 abr 2013
Application note AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A) 23 abr 2013
Application note Quick Start Guide for a 1.5 Amp Buck Regulator Using the LM5575 and LM25575 (Rev. B) 23 abr 2013
More literature Die D/S LM5575Q0-MDC MWC SIMPLE SWITCHER® 75v, 1.5a step-down switching reg 13 mar 2013
More literature Die D/S LM5575 MDC MWC Simple Switcher 75V, 1.5A Step-down Switching Regulator 10 ene 2013
More literature Die D/S LM5575Q0 MDC MCD2870A Simple Switcher® 75V, 1.5A Step-Down Switching Reg 19 oct 2012
Application note Understanding and Applying Current-Mode Control Theory 19 ago 2007
Application note Input and Output Capacitor Selection 19 sep 2005
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12 jul 2005
Application note AN-643 EMI/RFI Board Design (Rev. B) 03 may 2004

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

LM5575EVAL — Módulo de evaluación de regulador reductor de conmutación de 75 V y 1.5 A

The LM5575 evaluation board is designed to provide the design engineer with a fully functional power converter based on Emulated Current Mode Control to evaluate the LM5575 regulator IC. The evaluation board provides a 5V output with a 1.5A current capability. The ultra-wide input voltage ranges (...)

Guía del usuario: PDF
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Modelo de simulación

LM5575 Non-Inverting and Inverting PSpice Transient Model (Rev. A)

SNVM033A.ZIP (86 KB) - PSpice Model
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Modelo de simulación

LM5575 Non-Inverting and Inverting Unencrypted PSpice Transient Model (Rev. A)

SNVM963A.ZIP (4 KB) - PSpice Model
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Modelo de simulación

LM5575 TINA-TI Transient Reference Design

SNVM352.TSC (146 KB) - TINA-TI Reference Design
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Modelo de simulación

LM5575 TINA-TI Transient Spice Model

SNVM351.ZIP (17 KB) - TINA-TI Spice Model
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Herramienta de cálculo

LM2557X-557XQUICK-CALC — Calculadora de componentes con inicio rápido SIMPLE SWITCHER LM(2)557x

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Herramienta de cálculo

SIMPLESWITCHER-COMPONENT-CALC — Calculadora de componentes de inicio rápido SIMPLE SWITCHER LM(2)557x descargable

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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 16 Ultra Librarian
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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

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