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Voltage Regulators including isolated switching DC/DC regulators.
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Pololu 12V, 4.5A Step-Down Voltage Regulator D36V50F12
Item Details
Pololu 12V, 4.5A Step-Down Voltage Regulator D36V50F12
Item Name:
Pololu 12V, 4.5A Step-Down Voltage Regulator D36V50F12
Item #:
TE-390-000
Manufacturer:
Pololu
MPN:
4095
Your Price:
$21.95
Availability:
41 Ready to Ship!
Quantity:

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Description

The D36V50Fx family of buck (step-down) voltage regulators generates lower output voltages from input voltages as high as 50 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters), which makes them much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. These regulators can typically support continuous output currents between 2 A and 9 A, depending on the input voltage and output voltage (see the Maximum continuous output current section below). In general, the available output current is a little higher for the lower-voltage versions than it is for the higher-voltage versions, and it decreases as the input voltage increases.

The regulators have input reverse voltage protection up to 40 V, output undervoltage and overvoltage protection, over-current protection, and short-circuit protection. A thermal shutdown feature also helps prevent damage from overheating and a soft-start feature limits the inrush current and gradually ramps the output voltage on startup.

Features

  • Input voltage:
    • 13.3 V to 50 V
    • [output voltage + dropout voltage] 12 V with 4% accuracy
  • Fixed 3.3 V, 5 V, 6 V, 7.5 V, 9 V, or 12 V output (depending on regulator version) with 4% accuracy
  • Typical maximum continuous output current: >2 A
  • Typical efficiency of 90% to 95%, depending on input voltage, output voltage, and load
  • Switching frequency: ~500 kHz
  • Integrated reverse-voltage protection, over-current protection, over-temperature shutoff, and soft-start
  • 2 mA to 4 mA typical no-load quiescent current
  • “Power good” output indicates when the regulator cannot adequately maintain the output voltage
  • Compact size: 1.0″ × 1.0″ × 0.375″ (25.4 mm × 25.4 mm × 9.5 mm)
  • Three 0.086″ mounting holes for #2 or M2 screws
 



This powerful synchronous switching step-down regulator takes an input voltage of up to 50 V and reduces it to 12 V. The board measures 1″ × 1″ yet delivers typical maximum continuous output currents between 2.3 A and 6.5 A.
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