LMR36006 4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter | TI.com

LMR36006
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4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter

4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter - LMR36006
Datasheet
LMR36006 4.2-V to 60-V, 0.6-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. C)
 

Description

The LMR36006 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 transient tolerance reduces the necessary design effort to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36006 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. 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 is in a HotRod™ package which enables low noise, 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 are designed to simplify implementation for a wide range of end equipment, including space critical applications of ultra-small field transmitters and vision sensors.

Features

  • Designed for reliable and rugged applications
    • Input transient protection up to 66 V
    • 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)
  • Suited for scalable industrial power supplies
    • Pin compatible with:
    • 1-MHz, 2.1-MHz frequency options
      • Low power dissipation across load spectrum
        • 87% efficiency at 1 MHz (24VIN, 5VOUT, 0.6A)
        • 92% efficiency at 1 MHz (12VIN, 5VOUT, 0.6A)
        • Increased light load efficiency in PFM
        • Low operating quiescent current of 26 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 LMR36006 with the WEBENCH® Power Designer

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    WEBENCH® Designer LMR36006

    Product Option
      Min   Max Range
    Vin –  V
    Vout  V
    Iout  A
    Ambient Temp  °C -40 to 150°C

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    Parametrics

    Compare all products in Buck converters (integrated switch) Email Download to Excel
    Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
    LMR36006 Order now 4.2     60     1     57     0.6     1     1000     2100     0.023     Enable
    Light Load Efficiency
    Over Current Protection
    Power Good
    Pre-Bias Start-Up
    Synchronous Rectification
    Wettable Flanks Package        		 Current Mode     98     -40 to 150     Catalog     VQFN-HR | 12     Converter     12VQFN-HR: 6 mm2: 3 x 2 (VQFN-HR | 12)    
    LMR36015 Order now 4.2     60     1     57     1.5     1     400     1000     0.023     Enable
    Forced PWM
    Light Load Efficiency
    Over Current Protection
    Power Good
    Pre-Bias Start-Up
    Synchronous Rectification
    Wettable Flanks Package        		 Current Mode     98     -40 to 150     Catalog     VQFN-HR | 12     Converter     12VQFN-HR: 6 mm2: 3 x 2 (VQFN-HR | 12)    
    LMR36503 Samples not available 3     65     1     60     0.3       200     2200     0.007     Enable
    Fixed Output
    Forced PWM
    Frequency Synchronization
    Light Load Efficiency
    Over Current Protection
    Power Good
    Pre-Bias Start-Up
    Soft Start Fixed
    Synchronous Rectification
    Wettable Flanks Package        		   98     -40 to 150     Catalog     VQFN-HR | 9     Converter     9VQFN-HR: 4 mm2: 2 x 2 (VQFN-HR | 9)    
    LMR36506 Samples not available 3     65     1     60     0.6     1     200     2200     0.007     Enable
    Fixed Output
    Forced PWM
    Frequency Synchronization
    Light Load Efficiency
    Over Current Protection
    Power Good
    Pre-Bias Start-Up
    Soft Start Fixed
    Synchronous Rectification
    Wettable Flanks Package        		 Current Mode     98     -40 to 150     Catalog     VQFN-HR | 9     Converter     9VQFN-HR: 4 mm2: 2 x 2 (VQFN-HR | 9)    
    LMR36510 Samples not available 4.2     65     1     62     1     1     340     460     0.026     Enable
    Light Load Efficiency
    Over Current Protection
    Power Good
    Soft Start Fixed
    UVLO Fixed        		 Current Mode     98     -40 to 125     Catalog     SO PowerPAD | 8     Converter     8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8)    
    LMR36520 Order now 4.2