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LM53600-Q1

ACTIVO

Convertidor reductor síncrono de 3.5 V a 36 V, 650 mA y 2.1 MHz para automoción

Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 0.65 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 9.9 Vout (min) (V) 3.3 Features Enable, Fixed Output, Fixed soft start, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Power good, Spread Spectrum, Synchronous rectification, Wettable flanks package EMI features Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023 Duty cycle (max) (%) 98
Rating Automotive Topology Buck Iout (max) (A) 0.65 Vin (max) (V) 42 Vin (min) (V) 3.5 Vout (max) (V) 9.9 Vout (min) (V) 3.3 Features Enable, Fixed Output, Fixed soft start, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Power good, Spread Spectrum, Synchronous rectification, Wettable flanks package EMI features Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023 Duty cycle (max) (%) 98
WSON (DSX) 10 9 mm² (3 mm × 3 mm)
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM classification level 2
    • Device CDM classification level C5
  • –40°C to 150°C junction temperature range (available)
  • Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V)
  • Spread spectrum option available
  • 2.1-MHz fixed switching frequency
  • Low quiescent current: 23 µA
  • Shutdown current: 1.8 µA
  • Adjustable, 3.3-V, or 5-V output
  • Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1
  • Pin-selectable forced PWM mode
  • RESET output with filter and delay release
  • External frequency synchronization
  • Internal compensation, soft start, current limit, and UVLO
  • 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM classification level 2
    • Device CDM classification level C5
  • –40°C to 150°C junction temperature range (available)
  • Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V)
  • Spread spectrum option available
  • 2.1-MHz fixed switching frequency
  • Low quiescent current: 23 µA
  • Shutdown current: 1.8 µA
  • Adjustable, 3.3-V, or 5-V output
  • Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1
  • Pin-selectable forced PWM mode
  • RESET output with filter and delay release
  • External frequency synchronization
  • Internal compensation, soft start, current limit, and UVLO
  • 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks

The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current up to 650 mA is supported by the LM53600-Q1, while the LM53601-Q1 supports up to 1000 mA. Advanced high-speed circuitry allows the LM53600-Q1 and LM53601-Q1 devices to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows the device to regulate a 3.3-V output from an input voltage of only 3.8 V. The input voltage range up to 36 V, with transient tolerance of up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delayed release, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transitions between PWM and PFM modes, along with a quiescent current of only 23 µA, ensures high efficiency and superior transient response at all loads. Few external components are needed allowing the generation of compact PCB layout. While the LM53600-Q1 and LM53601-Q1 devices are Q1 rated, electrical characteristics are ensured across a junction temperature range of –40°C up to 150°C.

The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current up to 650 mA is supported by the LM53600-Q1, while the LM53601-Q1 supports up to 1000 mA. Advanced high-speed circuitry allows the LM53600-Q1 and LM53601-Q1 devices to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows the device to regulate a 3.3-V output from an input voltage of only 3.8 V. The input voltage range up to 36 V, with transient tolerance of up to 42 V, eases input surge protection design. An open drain reset output, with filtering and delayed release, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transitions between PWM and PFM modes, along with a quiescent current of only 23 µA, ensures high efficiency and superior transient response at all loads. Few external components are needed allowing the generation of compact PCB layout. While the LM53600-Q1 and LM53601-Q1 devices are Q1 rated, electrical characteristics are ensured across a junction temperature range of –40°C up to 150°C.

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LM53600/01-Q1 0.65-A/1-A, 36-V Synchronous, 2.1-MHz Automotive Step-Down DC/DC Converter datasheet (Rev. D) PDF | HTML 14/05/2021
Guía de selección Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 15/04/2021
Guía de selección Buck Converter Quick Reference Guide (Rev. B) 8/04/2021
Nota sobre la aplicación Designing High Performance, Low-EMI, Automotive Power Supplies 30/09/2017
Artículo técnico Power over coax: A design guide for automotive applications PDF | HTML 26/08/2016
Artículo técnico The value of wettable flank-plated QFN packaging for automotive applications PDF | HTML 3/02/2016

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

LM53600MAEVM — Módulo de evaluación LM53600-Q1 de regulador reductor de 650 mA y salida ajustable con amplio espect

LM53600MAEVM Demonstrates the capabilities of the LM53600MQDSX Automotive Integrated Buck regulator. It features all the input necessary to configure and operate the device. The EVM has an EMI filter on the back side. The user can choose to bypass that filter using the available posts close to the (...)

Guía del usuario: PDF
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Placa de evaluación

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LM53600NAEVM demonstrates the capabilities of the LM53600NQDSX Automotive Integrated Buck regulator. It features all the input necessary to configure and operate the device. The EVM has an EMI filter on the back side. The user can choose to bypass that filter using the available posts close to the (...)

Guía del usuario: PDF
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Diseño de referencia

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