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4.2-V to 60-V, 1.5-A synchronous step-down converter


Package | PIN: RNX | 12
Temp: S (-40 to 150)
Carrier: Cut Tape
Qty Price
1-9 $3.90
10-24 $3.51
25-99 $3.27
100-249 $2.87
250-499 $2.69
500-749 $2.28
750-999 $1.93
1000+ $1.84


  • 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, InputUndervoltage Lockout, Cycle-by-Cycle Current Limit, Hiccup Short-CircuitProtection
    • HotRod™ Package Enables Low Noise and Minimized Switch NodeRinging
    • 0.4-V Dropout With1.5-A Load (Typical)
  • Suited for Scalable Industrial Power Supplies
    • Pin Compatible With:
    • 400-kHz, 1-MHz FrequencyOptions
      • Low Power Dissipation Across Load Spectrum
        • 90% Efficiency at 400 kHz(24VIN, 5VOUT, 1A)
        • 93% Efficiency at 400 kHz(12VIN, 5VOUT, 1A)
        • Increased Light LoadEfficiency in PFM
        • Low Operating Quiescent Current of 26µA
      • Small 2-mm × 3-mm HotRod™ Package
      • Solution with Few External Components

        All trademarks are the property of their respective owners.

        Texas Instruments  PLMR36015ARNXT

        The LMR36015 regulator is an easy-to-use, synchronous, step-down DC/DCconverter. With integrated high-side and low-side power MOSFETs, up to1.5 A of outputcurrent is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66V. The transient tolerance reduces the necessary design effort toprotect against overvoltages and meets the surge immunity requirements of IEC61000-4-5.

        The LMR36015 uses peak-current-mode control to provide optimal efficiency andoutput 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 voltageor precise control over device start-up and shutdown. The power-good flag, with built-in filteringand delay, offers a true indication of system status eliminating the requirement for an externalsupervisor.

        The LMR36015 is in a HotRod™ package whichenables low noise,higher efficiency, and the smallest package to die ratio. The device requires few externalcomponents and has a pinout designed for simple PCB layout. The small solution size and feature setof the LMR36015 are designed to simplifyimplementation for a wide range of end equipment, including spacecritical applications of ultra-small field transmitters and vision sensors.