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 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 400 Switching frequency (Max) (kHz) 2100 Control mode Current Mode Duty cycle (Max) (%) 98 Type Converter Operating temperature range (C) -40 to 150 Rating Automotive 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
    • Pin compatible with:
    • 400-kHz, 2.1-MHz frequency options
      • 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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    No results found. Please clear your search and try again. 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 articles Optimizing flip-chip IC thermal performance in automotive designs Dec. 11, 2019
    Application notes Understanding Mode Transitions for LMR33620/30 and LMR36006/15 Apr. 04, 2019
    Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
    User guides LMR360xxQEVM User's Guide Nov. 14, 2018
    Technical articles 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 BOARDS Download
    document-generic User guide
    $49.00
    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 BOARDS Download
    document-generic User guide
    $49.00
    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 MODELS Download
    SNVMBO6A.ZIP (156 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBO7A.ZIP (8 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBP9.ZIP (8 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBQ0.ZIP (164 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBQ7.ZIP (154 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBQ8.ZIP (8 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBT1.ZIP (155 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBT2.ZIP (161 KB) - PSpice Model
    SIMULATION MODELS Download
    SNVMBT7.ZIP (160 KB) - PSpice Model

    Reference designs

    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 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 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

    Support & training

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