3.3V, 3.6A Step-Down Voltage Regulator D36V28F3

3781

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This small synchronous switching step-down (or buck) regulator takes an input voltage from 4.5 V to 50 V and efficiently reduces it to 3.3 V.

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62,99 lei
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The price includes the costs for collection, treatment and ellimination of WEEE

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Overview

The D36V28Fx 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 4 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.

Features

  • Input voltage: 4.5 V to 50 V (minimum input subject to dropout voltage considerations for currents over 4 A; see the dropout voltage section for details)
  • Output voltage: 3.3 V with 4% accuracy
  • Typical maximum continuous output current: 3.2 A to 4.5 A (see the maximum continuous output current graph below)
  • Typical efficiency of 80% to 90%, 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 3 mA typical no-load quiescent current (see the quiescent current graph below)
  • Enable input 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: 0.7″ × 0.8″ × 0.345″ (17.8 mm × 20.3 mm × 8.8 mm)
  • Two 0.086″ mounting holes for #2 or M2 screws

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3.3V, 3.6A Step-Down Voltage Regulator D36V28F3

3.3V, 3.6A Step-Down Voltage Regulator D36V28F3

This small synchronous switching step-down (or buck) regulator takes an input voltage from 4.5 V to 50 V and efficiently reduces it to 3.3 V.

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