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

LMR36015

AKTIV

4,2-V bis 60-V, 1,5-A, ultra-kompakter Synchron-Abwärtswandler

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Datenblatt

LMR36015

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 1.5 Vin (min) (V) 4.2 Vin (max) (V) 60 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1000 Features Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Vout (min) (V) 1 Vout (max) (V) 57 Iq (typ) (µA) 23 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 1.5 Vin (min) (V) 4.2 Vin (max) (V) 60 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1000 Features Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Vout (min) (V) 1 Vout (max) (V) 57 Iq (typ) (µA) 23 Duty cycle (max) (%) 98
VQFN-HR (RNX) 12 6 mm² 3 x 2
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Input transient protection up to 66 V
    • Junction temperature range –40°C to +150°C
    • 0.4-V dropout with 1.5-A load (typical)
  • Suited for scalable industrial power supplies
  • Low power dissipation across load spectrum
    • 90% efficiency at 400 kHz (24 VIN, 5 VOUT, 1 A)
    • 93% efficiency at 400 kHz (12 VIN, 5 VOUT, 1 A)
    • Increased light load efficiency in PFM
    • Low operating quiescent current of 2 6 µA
  • Small 2-mm × 3-mm HotRod™ package
  • Solution with few external components
  • LMR36006-Q1 and LMR36015-Q1 available in 400 kHz and 2.1 MHz, adjustable output, and fixed 3.3 VOUT
  • Optimized for ultra low EMI requirements
    • Meets CISPR25 class 5 standard
    • Hotrod™ package minimizes switch node ringing
    • Parallel input path minimizes parasitic inductance
    • Spread spectrum reduces peak emissions
  • Create a custom design using the LMR36015 with the WEBENCH Power Designer
  • Functional Safety-Capable
  • Designed for reliable and rugged applications
    • Input transient protection up to 66 V
    • Junction temperature range –40°C to +150°C
    • 0.4-V dropout with 1.5-A load (typical)
  • Suited for scalable industrial power supplies
  • Low power dissipation across load spectrum
    • 90% efficiency at 400 kHz (24 VIN, 5 VOUT, 1 A)
    • 93% efficiency at 400 kHz (12 VIN, 5 VOUT, 1 A)
    • Increased light load efficiency in PFM
    • Low operating quiescent current of 2 6 µA
  • Small 2-mm × 3-mm HotRod™ package
  • Solution with few external components
  • LMR36006-Q1 and LMR36015-Q1 available in 400 kHz and 2.1 MHz, adjustable output, and fixed 3.3 VOUT
  • Optimized for ultra low EMI requirements
    • Meets CISPR25 class 5 standard
    • Hotrod™ package minimizes switch node ringing
    • Parallel input path minimizes parasitic inductance
    • Spread spectrum reduces peak emissions
  • Create a custom design using the LMR36015 with the WEBENCH Power Designer

The LMR36015 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 1.5 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V. The transient tolerance reduces the necessary design effort to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36015 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Load transient performance is improved with FPWM feature in the 1-MHz regulator. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status eliminating the requirement for an external supervisor.

The LMR36015 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 1.5 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V. The transient tolerance reduces the necessary design effort to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36015 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Load transient performance is improved with FPWM feature in the 1-MHz regulator. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status eliminating the requirement for an external supervisor.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LMR36015 4.2-V to 60-V, 1.5-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. D) PDF | HTML 01 Sep 2020
Application note Working with Inverting Buck-Boost Converters (Rev. B) PDF | HTML 18 Okt 2022
Application note High-Performance CMOS Image Sensor Power Supply in Industrial Camera and Vision (Rev. A) 30 Jul 2021
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 26 Jul 2021
Functional safety information LMR36015-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. C) PDF | HTML 16 Apr 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Technical article How semiconductor technologies are changing automotive lighting roadmaps PDF | HTML 24 Okt 2019
Application note Achieving CISPR-22 EMI Standards With HotRod™ Buck Designs (Rev. A) 17 Sep 2019
Application note Understanding Mode Transitions for LMR33620/30 and LMR36006/15 04 Apr 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
Technical article A review of EMI standards, part 1 – conducted emissions PDF | HTML 28 Jun 2018
Technical article Effects of IC package on EMI performance PDF | HTML 22 Mai 2018
User guide LMR360xxxEVM User's Guide 14 Mär 2018
Application note Output Ripple Voltage for Buck Switching Regulator (Rev. A) 13 Okt 2014
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23 Apr 2013
Application note AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A) 23 Apr 2013

Design und Entwicklung

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Evaluierungsplatine

LMR36015AEVM — Synchron-Abwärtswandler-Evaluierungsmodul

The LMR36015 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36015 synchronous step-down converter.  The LMR36015 provides exceptional efficiency and accuracy in a very small solution size.
Benutzerhandbuch: PDF
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Simulationsmodell

LMR34215FA-Q1 Unencrypted PSPICE TRANSIENT MODEL

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LMR34215FSC5-Q1 Unencrypted PSPICE TRANSIENT MODEL

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LMR34215SC5-Q1 Unencrypted PSPICE TRANSIENT MODEL

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LMR36015A Non-Inverting and Inverting PSpice Transient Model

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LMR36015A Unencrypted Non-Inverting and Inverting PSpice Transient Model

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LMR36015B Non-Inverting and Inverting PSpice Transient Model

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LMR36015B Non-Inverting and Inverting Unencrypted PSpice Transient Model

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LMR36015FB Non-Inverting and Inverting PSpice Transient Model

SNVMBQ6.ZIP (152 KB) - PSpice Model
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Simulationsmodell

LMR36015FB Non-Inverting and Inverting Unencrypted PSpice Transient Model

SNVMBQ5.ZIP (8 KB) - PSpice Model
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Simulationsmodell

LMR36015FB TINA-TI Transient Model

SNVMBU9.TSC (649 KB) - TINA-TI Spice Model
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Berechnungstool

SNVC234 — Mode Transitions Calculator LMR336x0 LMR360xx

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