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5.5Vin, 2A Step-Down Voltage Regulator in SOT-23 and LLP


Package | PIN: WSON (NGG) | 6
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $1.45
10-24 $1.30
25-99 $1.20
100-249 $1.03
250-499 $0.95
500-749 $0.77
750-999 $0.62
1000+ $0.55


  • Input Voltage Range of 3 V to 5.5 V
  • Output Voltage Range of 0.6 V to 4.5 V
  • Output Current up to 2 A
  • 1.6-MHz (LMR10520X) and 3-MHz (LMR10520Y) Switching Frequencies
  • Low Shutdown IQ, 30 nA Typical
  • Internal Soft Start
  • Internally Compensated
  • Current-Mode PWM Operation
  • Thermal Shutdown
  • Tiny Overall Solution Reduces System Cost
  • WSON (3 × 3 × 0.8 mm) Packaging
  • Create a custom design using the LMR10520 with the WEBENCH® Power Designer

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Texas Instruments  LMR10520XSDE/NOPB

The LMR10520 regulator is a monolithic, high frequency, PWM step-down DC/DC converter ina 6-pin WSON package. It provides all the active functions to provide local DC/DC conversion withfast transient response and accurate regulation in the smallest possible PCB area. With a minimumof external components, the LMR10520 is easy to use. The ability to drive 2-A loads with aninternal 150-mΩ PMOS switch results in the best power density available. The world-class controlcircuitry allows on-times as low as 30 ns, thus supporting exceptionally high frequency conversionover the entire 3-V to 5.5-V input operating range down to the minimum output voltage of 0.6 V. TheLMR10520 is internally compensated, so it is simple to use and requires few external components.Even though the operating frequency is high, efficiencies up to 93% are easy to achieve. Externalshutdown is included, featuring an ultra-low stand-by current of 30 nA. The LMR10520 usescurrent-mode control and internal compensation to provide high-performance regulation over a widerange of operating conditions. Additional features include internal soft-start circuitry to reduceinrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltageprotection.