Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)

LM76005

AKTIV

Synchroner Abwärtsspannungswandler, 3,5 bis 60 V, 5 A

Eine neuere Version dieses Produkts ist verfügbar

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
NEU LM70660 AKTIV Synchron-DC/DC-Abwärtswandler mit hoher Dichte mit 4,5 V bis 65 V-Eingang und niedrigem EMI, 6 A Higher efficiency, lower IQ and improved EMI mitigation features

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 3.5 Vin (max) (V) 60 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 57 Iq (typ) (µA) 15 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 3.5 Vin (max) (V) 60 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 57 Iq (typ) (µA) 15 Duty cycle (max) (%) 98
WQFN (RNP) 30 24 mm² 6 x 4
  • Functional Safety-Capable

    • Documentation available to aid functional safety system design

  • Designed for applications
    • Input transient protection up to 65 V
    • Optimized for low EMI requirements

    • Pin-selectable FPWM operation
    • Adjustable frequency range: 200 kHz to 500 kHz
    • Start up with pre-biased output voltage
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Suited for scalable power supplies
    • Pin compatible with:
      • LM76002/3 (60 V, 2.5 A or 3.5 A)
    • Output voltage: 1 V to 95% of VIN
    • Synchronization to external clock
    • Adjustable soft-start (6.3 ms default)
  • Low power dissipation across load spectrum
    • 15-µA quiescent current in regulation
    • 95% efficiency at 400 kHz (12VIN, 5VOUT, 2A)
    • 92% PFM efficiency at 10-mA (12VIN, 5VOUT)
    • External bias option for improved efficiency
  • Create a custom design using the with the
  • Functional Safety-Capable

    • Documentation available to aid functional safety system design

  • Designed for applications
    • Input transient protection up to 65 V
    • Optimized for low EMI requirements

    • Pin-selectable FPWM operation
    • Adjustable frequency range: 200 kHz to 500 kHz
    • Start up with pre-biased output voltage
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Suited for scalable power supplies
    • Pin compatible with:
      • LM76002/3 (60 V, 2.5 A or 3.5 A)
    • Output voltage: 1 V to 95% of VIN
    • Synchronization to external clock
    • Adjustable soft-start (6.3 ms default)
  • Low power dissipation across load spectrum
    • 15-µA quiescent current in regulation
    • 95% efficiency at 400 kHz (12VIN, 5VOUT, 2A)
    • 92% PFM efficiency at 10-mA (12VIN, 5VOUT)
    • External bias option for improved efficiency
  • Create a custom design using the with the

The regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to of load current from an input up to 60 V. Tolerance goes up to 65 V, easing input surge protection.

The use peak-current-mode control to provide exceptional efficiency and output accuracy in a small solution size. Seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range.

This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI and thermal performance. The small solution size and feature set of the LM76005 are designed to simplify the implementation for a wide range of end equipment.

The device is available in the WQFN 30-pin leadless package with wettable flanks.

The regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to of load current from an input up to 60 V. Tolerance goes up to 65 V, easing input surge protection.

The use peak-current-mode control to provide exceptional efficiency and output accuracy in a small solution size. Seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range.

This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI and thermal performance. The small solution size and feature set of the LM76005 are designed to simplify the implementation for a wide range of end equipment.

The device is available in the WQFN 30-pin leadless package with wettable flanks.

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Technische Dokumentation

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Alle anzeigen 4
Typ Titel Datum
* Data sheet LM76005 3.5-V to 60-V, 5-A Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 28 Jul 2020
Application note Controller to Converter – Design Considerations for 24V and 48V Systems PDF | HTML 02 Okt 2024
Functional safety information LM76005 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 17 Dez 2020
EVM User's guide LM76005QEVM User’s Guide (Rev. A) PDF | HTML 21 Jul 2020

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

LM76005QEVM — Evaluierungsmodul für synchronen Abwärtsspannungswandler, 3,5–60 V, 5 A

The LM76005QEVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM76005 and LM76005-Q1 synchronous step-down converters. The EVM operates from an 3.5-V to 60-V input and provides a 3.3-V or 5-V output at 5 A.
Benutzerhandbuch: PDF | HTML
Berechnungstool

LM76005-DESIGN-CALC LM76005 Design Calculator

This stand-alone tool facilitates and assists with the design of a DC/DC buck regulator based on the LM76005(-Q1) converter. The user can expeditiously arrive at an optimized design to meet the application requirements.
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Unterstützte Produkte und Hardware

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AC/DC- und DC/DC-Wandler (integrierter FET)
LM76005 Synchroner Abwärtsspannungswandler, 3,5 bis 60 V, 5 A LM76005-Q1 Synchroner Abwärtswandler, 3,5 V bis 60 V, 5 A
Referenzdesigns

PMP23300 — 60-W-USB-Typ-C-Stromversorgungs-Abwärtswandler® mit breitem Eingang – Referenzdesign

Bei diesem Referenzdesign handelt es sich um ein 60-W-USB-Typ-C®-Stromversorgungs-Design (Power Delivery, PD), das im Standardleistungsbereich (SPR) arbeitet und den TPS65987D USB-Typ-C- und USB-PD-Controller, den Synchron-Abwärtswandler LM76005, den Synchron-Abwärtswandler LMR36506 und die (...)
Test report: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN (RNP) 30 Ultra Librarian

Bestellen & Qualität

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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

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