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

LMR33630

AKTIV

Synchroner SIMPLE SWITCHER®-Abwärtswandler (3,8 bis 36 V, 3 A) mit extrem geringer Störaussendung (E

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3.8 Vin (max) (V) 36 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 2100 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 24 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) 3 Vin (min) (V) 3.8 Vin (max) (V) 36 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 2100 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 24 Duty cycle (max) (%) 98
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 VQFN-HR (RNX) 12 6 mm² 3 x 2
  • Functional Safety-Capable
  • Configured for rugged industrial applications
    • Input voltage range: 3.8 V to 36 V
    • Output voltage range: 1 V to 24 V
    • Output current: 3 A
    • 75-mΩ/50-mΩ RDS-ON power MOSFETs
    • Peak-current-mode control
    • Short minimum on-time of 68 ns
    • Frequency: 400 kHz, 1.4 MHz, 2.1 MHz
    • Junction temperature range –40°C to +125°C
    • Low EMI and low switching noise
    • Integrated compensation network
  • Low EMI and switching noise
    • HotRod™ package
    • Parallel input current paths
  • High power conversion at all loads
    • Peak efficiency > 95%
    • Low operating quiescent current of 25 µA
  • Flexible system interface
    • Power-good flag and precision enable
  • Use TPSM53603 module for faster time to market
  • Create a custom design using the LMR33630 with the WEBENCH Power Designer
  • Functional Safety-Capable
  • Configured for rugged industrial applications
    • Input voltage range: 3.8 V to 36 V
    • Output voltage range: 1 V to 24 V
    • Output current: 3 A
    • 75-mΩ/50-mΩ RDS-ON power MOSFETs
    • Peak-current-mode control
    • Short minimum on-time of 68 ns
    • Frequency: 400 kHz, 1.4 MHz, 2.1 MHz
    • Junction temperature range –40°C to +125°C
    • Low EMI and low switching noise
    • Integrated compensation network
  • Low EMI and switching noise
    • HotRod™ package
    • Parallel input current paths
  • High power conversion at all loads
    • Peak efficiency > 95%
    • Low operating quiescent current of 25 µA
  • Flexible system interface
    • Power-good flag and precision enable
  • Use TPSM53603 module for faster time to market
  • Create a custom design using the LMR33630 with the WEBENCH Power Designer

The LMR33630 SIMPLE SWITCHER regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged industrial applications. The LMR33630 drives up to 3 A of load current from an input of up to 36 V. The LMR33630 provides high light load efficiency and output accuracy in a very small solution size. Features such as a power-good flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. The LMR33630 automatically folds back frequency at light load to improve efficiency. Integration eliminates most external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LMR33630 is available in an 8-pin HSOIC package and in a 12-pin 3 mm × 2 mm next generation VQFN package with wettable flanks. This device is also available in an AEC-Q100-qualified version.

The LMR33630 SIMPLE SWITCHER regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for rugged industrial applications. The LMR33630 drives up to 3 A of load current from an input of up to 36 V. The LMR33630 provides high light load efficiency and output accuracy in a very small solution size. Features such as a power-good flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. The LMR33630 automatically folds back frequency at light load to improve efficiency. Integration eliminates most external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LMR33630 is available in an 8-pin HSOIC package and in a 12-pin 3 mm × 2 mm next generation VQFN package with wettable flanks. This device is also available in an AEC-Q100-qualified version.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet LMR33630SIMPLE SWITCHER® 3.8-V to 36-V, 3-A Synchronous Step-down Voltage Converter datasheet (Rev. F) PDF | HTML 24 Nov 2020
Functional safety information LMR336x0 Functional Safety, FIT Rate, FMD and Pin FMA (Rev. B) PDF | HTML 20 Mär 2024
Application note Working with Inverting Buck-Boost Converters (Rev. B) PDF | HTML 18 Okt 2022
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 26 Jul 2021
Application note Designing a Motorized Resistive Load PDF | HTML 21 Jul 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Technical article 3 tips when designing a power stage for servo and AC drives PDF | HTML 20 Nov 2019
Application note Achieving CISPR-22 EMI Standards With HotRod™ Buck Designs (Rev. A) 17 Sep 2019
Technical article Design a pre-tracking regulator, part 2: for a negative LDO PDF | HTML 26 Apr 2019
Application note Understanding Mode Transitions for LMR33620/30 and LMR36006/15 04 Apr 2019
Technical article Designing a pre-tracking regulator, part 1: for a positive-output LDO PDF | HTML 18 Feb 2019
Technical article How a DC/DC converter package and pinout design can enhance automotive EMI perform PDF | HTML 04 Sep 2018
Technical article A review of EMI standards, part 2 – radiated emissions PDF | HTML 05 Jul 2018
EVM User's guide LMR33630EVM User's Guide (Rev. A) 01 Mär 2018
EVM User's guide LMR33630xRNXEVM User's Guide 22 Feb 2018
Technical article How to increase system reliability and simplify design using DC/DC converters PDF | HTML 13 Jun 2016

Design und Entwicklung

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Evaluierungsplatine

LMR33630ADDAEVM — LMR33630 Synchron-Abwärtswandler – Evaluierungsmodul

The LMR33630ADDAEVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR33630 synchronous step-down converter.  The LMR33630 provides exceptional efficiency and accuracy in a very small solution size.
Benutzerhandbuch: PDF
Evaluierungsplatine

LMR33630ARNXEVM — LMR33630 Synchron-Abwärtswandler – Evaluierungsmodul

The LMR33630 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR33630A 400kHz synchronous step-down converter.  The LMR33630 provides exceptional efficiency and accuracy in a very small solution size.
Benutzerhandbuch: PDF
Evaluierungsplatine

LMR33630CDDAEVM — LMR33630 Synchron-Abwärtswandler – Evaluierungsmodul

The LMR33630 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR33630 synchronous step-down converter.  The LMR33630 provides exceptional efficiency and accuracy in a very small solution size.
Benutzerhandbuch: PDF
Evaluierungsplatine

LMR33630CRNXEVM — LMR33630 Synchron-Abwärtswandler – Evaluierungsmodul

The LMR33630 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR33630C 2.1MHz synchronous step-down converter.  The LMR33630 provides exceptional efficiency and accuracy in a very small solution size.
Benutzerhandbuch: PDF
Simulationsmodell

LMR33630A Non-Inverting and inverting PSpice Transient Model (Rev. A)

SNVMBF6A.ZIP (159 KB) - PSpice Model
Simulationsmodell

LMR33630B Inverting and Non-Inverting PSpice Transient Model

SNVMBH2.ZIP (127 KB) - PSpice Model
Berechnungstool

SNVC234 Mode Transitions Calculator LMR336x0 LMR360xx

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SNVR484 LMR336x0 Component Calculator

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HSOIC (DDA) 8 Ultra Librarian
VQFN-HR (RNX) 12 Ultra Librarian

Bestellen & Qualität

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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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