Pololu D36V50F12


12V 4.5A Step Down

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High quality BEC from Pololu. Power 12V / 4.5A with up to 50V input voltage.


  • Input voltage: 13.3 V to 50 V (minimum input subject to dropout voltage considerations; see the dropout voltage section for details)
  • Output voltage: 12 V with 4% accuracy
  • Typical maximum continuous output current: 2.3 A to 6.5 A (see the maximum continuous output current graph below)
  • Typical efficiency of 90% to 95%, depending on input voltage, output voltage, and load (see the efficiency graph below)
  • Switching frequency: ~500 kHz under heavy loads
  • Power-save mode with ultrasonic operation that increases light load efficiency by reducing switching frequency, but keeps it above the audible range (20 kHz)
  • 2 mA to 4 mA typical no-load quiescent current (see the quiescent current graph below)
  • Enable input with precise cutoff threshold for disconnecting the load and putting the regulator into a low-power state that draws approximately 10 µA to 20 µA per volt on VIN
  • “Power good” output indicates when the regulator cannot adequately maintain the output voltage
  • Output undervoltage and overvoltage protection
  • Soft-start feature limits inrush current and gradually ramps output voltage
  • Integrated reverse-voltage protection up to 40 V, over-current and short-circuit protection, over-temperature shutoff
  • Compact size: 1″ × 1″ × 0.375″ (25.4 mm × 25.4 mm × 9.5 mm)
  • Three 0.086″ mounting holes for #2 or M2 screws