LMR36006-Q1

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4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter

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Product details

Parameters

Vin (Min) (V) 4.2 Vin (Max) (V) 60 Vout (Min) (V) 1 Vout (Max) (V) 57 Iout (Max) (A) 0.6 Iq (Typ) (uA) 23 Switching frequency (Min) (kHz) 400 Switching frequency (Max) (kHz) 2100 Features Enable, Light Load Efficiency, Over Current Protection, Power Good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Wettable Flanks Package Operating temperature range (C) -40 to 150 Rating Automotive Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN-HR (RNX) 12 6 mm² 3 x 2 open-in-new Find other Buck converters (integrated switch)

Features

  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Designed for automotive applications
    • Junction temperature range –40°C to +150°C
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
    • 0.2-V dropout with 0.6-A load (typical)
    • ±1.5% reference voltage tolerance
    • 3.3-V fixed-output voltage option available
  • Suited for scalable power supplies
  • Integration reduces solution size and cost
    • Small, 2-mm × 3-mm VQFN package with wettable flanks
      • Few external components
    • Low power dissipation across load spectrum
      • 94% efficiency at 400 kHz (12VIN, 5VOUT, 0.6A)
      • Increased light load efficiency in PFM
      • Low operating quiescent current of 26 µA
    • 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 LMR36006-Q1 with the WEBENCH® Power Designer

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    Description

    The LMR36006-Q1 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 0.6 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 LMR36006-Q1 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Advanced high speed circuitry allows the LMR36006-Q1 to regulate from an input of 20 V to an output of 5 V at a fixed frequency of 2.1 MHz. 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 LMR36006-Q1 is in a HotRod™ package which enables low EMI, higher efficiency, and the smallest package to die ratio. The device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LMR36006-Q1 are designed to simplify implementation for a wide range of end equipment.

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    Technical documentation

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    View all 6
    Type Title Date
    * Datasheet LMR36006-Q1 4.2-V to 60-V, 0.6-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. C) Sep. 18, 2019
    Technical article Optimizing flip-chip IC thermal performance in automotive designs Dec. 11, 2019
    Application note Understanding Mode Transitions for LMR33620/30 and LMR36006/15 Apr. 04, 2019
    Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
    User guide LMR360xxQEVM User's Guide Nov. 14, 2018
    Technical article How a DC/DC converter package and pinout design can enhance automotive EMI performance Sep. 04, 2018

    Design & development

    For additional terms or required resources, click any title below to view the detail page where available.

    Hardware development

    EVALUATION BOARD Download
    document-generic User guide
    49
    Description
    The LMR36015 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36016 synchronous step-down converter.  The LMR36015 provides exceptional efficiency and accuracy in a very small solution size.
    Features
    • Inegrated synchronous rectification
    • Low operating quiescent current
    • High efficiency at light loads
    • Short minimum on-time
    EVALUATION BOARD Download
    document-generic User guide
    49
    Description
    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.
    Features
    • Inegrated synchronous rectification
    • Low operating quiescent current
    • High efficiency at light loads
    • Short minimum on-time

    Design tools & simulation

    SIMULATION MODEL Download
    SNVMBO6A.ZIP (156 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBO7A.ZIP (8 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBP9.ZIP (8 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBQ0.ZIP (164 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBQ7.ZIP (154 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBQ8.ZIP (8 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBT1.ZIP (155 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBT2.ZIP (161 KB) - PSpice Model
    SIMULATION MODEL Download
    SNVMBT7.ZIP (160 KB) - PSpice Model
    SIMULATION TOOL Download
    PSpice® for TI design and simulation tool
    PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
    Features
    • Leverages Cadence PSpice Technology
    • Preinstalled library with a suite of digital models to enable worst-case timing analysis
    • Dynamic updates ensure you have access to most current device models
    • Optimized for simulation speed without loss of accuracy
    • Supports simultaneous analysis of multiple products
    • (...)
    CALCULATION TOOL Download
    SNVC234.ZIP (442 KB)

    Reference designs

    REFERENCE DESIGNS Download
    Automotive HVAC control reference design with HMI
    TIDA-020010 — This reference design offers a cost-effective solution for a heating, ventilation, and air conditioning (HVAC) human-machine interface (HMI) application. This reference design incorporates a synchronous step-down converter, multiple channel half-bridge motor driver for brushed DC motors (BDC (...)
    document-generic Schematic document-generic User guide
    REFERENCE DESIGNS Download
    Automotive 12-V to 24-V engine load interface reference design
    TIDA-060030 This reference design is a 3-phase 1/2 H-Bridge Motor Drive solution with independent FET capability that interfaces with solenoid loads found in Gasoline and Diesel Engine Platforms such as automotive solenoids, bidirectional Brushed- or Brushless-DC motors, unidirectional Brushed-DC motors, and (...)
    document-generic Schematic document-generic User guide
    REFERENCE DESIGNS Download
    Automotive ADAS camera power supply reference design optimized for solution size and low noise
    TIDA-050015 — This wide-input power-supply reference design is specifically designed for space-constrained automotive ADAS camera applications. This size-optimized design uses front-end protection paired with a wide input voltage DC/DC converter to enable off-battery operation. The front-end filter and component (...)
    document-generic Schematic document-generic User guide

    CAD/CAE symbols

    Package Pins Download
    VQFN-HR (RNX) 12 View options

    Ordering & quality

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    • MSL rating/Peak reflow
    • MTBF/FIT estimates
    • Material content
    • Qualification summary
    • Ongoing reliability monitoring

    Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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