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

LM76002-Q1

AKTIV

Synchroner Spannungsregler, 3,5 bis 60 V, 3,5/2,5 A

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open-in-new Alternativen vergleichen
Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
LM76003-Q1 AKTIV Synchroner Spannungsregler, 3,5 bis 60 V, 3,5/2,5 A Available as a wettable flanks package and HTSSOP

LM76002-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 3.5 Vin (max) (V) 60 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, 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 Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2.5 Vin (min) (V) 3.5 Vin (max) (V) 60 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, 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
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C5
  • Integrated synchronous rectification
  • Input voltage 3.5 V to 60 V (65 V maximum)
  • Output voltage 1 V to 95% VIN
  • 15-µA Quiescent current in regulation
  • Wide voltage conversion range
    • tON-MIN = 65 ns (typical)
    • tOFF-MIN = 95 ns (typical)
  • System-level features
    • Synchronization to external clock
    • Power-good flag
    • Adjustable soft-start (6.3 ms default)
  • Pin-selectable FPWM operation
  • Adjustable frequency range: 300 kHz to 2.2 MHz
  • High-efficiency at light-load architecture (PFM)
  • Protection features
    • Cycle-by-cycle current limit
    • Short-circuit protection with hiccup mode
    • Overtemperature thermal shutdown protection
  • Create a custom design using the LM76002-Q1η/LM76003-Q1 with the WEBENCH® Power Designer
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C5
  • Integrated synchronous rectification
  • Input voltage 3.5 V to 60 V (65 V maximum)
  • Output voltage 1 V to 95% VIN
  • 15-µA Quiescent current in regulation
  • Wide voltage conversion range
    • tON-MIN = 65 ns (typical)
    • tOFF-MIN = 95 ns (typical)
  • System-level features
    • Synchronization to external clock
    • Power-good flag
    • Adjustable soft-start (6.3 ms default)
  • Pin-selectable FPWM operation
  • Adjustable frequency range: 300 kHz to 2.2 MHz
  • High-efficiency at light-load architecture (PFM)
  • Protection features
    • Cycle-by-cycle current limit
    • Short-circuit protection with hiccup mode
    • Overtemperature thermal shutdown protection
  • Create a custom design using the LM76002-Q1η/LM76003-Q1 with the WEBENCH® Power Designer

The LM76002-Q1/LM76003-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 2.5 A (LM76002-Q1) or 3.5 A (LM76003-Q1) of load current from an input up to 60 V. The LM76002-Q1/LM76003-Q1 provides exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization, FPWM option, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency. This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR25) and thermal performance. Protection features include input undervoltage lockout, thermal shutdown, cycle-by-cycle current limit, and short-circuit protection. The LM76002-Q1/LM76003-Q1 device is available in the WQFN 30-pin leadless package with wettable flanks.

The LM76002-Q1/LM76003-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 2.5 A (LM76002-Q1) or 3.5 A (LM76003-Q1) of load current from an input up to 60 V. The LM76002-Q1/LM76003-Q1 provides exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization, FPWM option, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency. This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR25) and thermal performance. Protection features include input undervoltage lockout, thermal shutdown, cycle-by-cycle current limit, and short-circuit protection. The LM76002-Q1/LM76003-Q1 device is available in the WQFN 30-pin leadless package with wettable flanks.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM7600x-Q1 3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator datasheet (Rev. B) PDF | HTML 05 Sep 2019
Technical article Using DC/DCs buck converters to power modern safety features in commercial vehicle PDF | HTML 27 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

LM76002EVM-500K — LM76002 Synchron-Abwärts-Spannungswandler von 3,5 V auf 60 V, 2,5 A – Evaluierungsmodul

The LM76002EVM-500K evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM76002 synchronous step-down converter. The EVM operates from an 3.5V to 60V input and provides a 3.3V or 5V output at 2.5A.
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

LM76002 Non-Inverting and Inverting PSpice Transient Model (Rev. A)

SNVMBE8A.ZIP (297 KB) - PSpice Model
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Simulationsmodell

LM76002 Unencrypted Pspice Non-Inverting and Inverting Transient Model (Rev. A)

SNVMBF0A.ZIP (9 KB) - PSpice Model
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN (RNP) 30 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

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