Pololu 4.2-15V, 3A Fine-Adjust Step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff D30V30MASCMA

PololuSKU: RB-Pol-1439
Manufacturer #: 4874

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Sale price $19.95

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Description

  • Pololu 4.2-15V, 3A Fine-Adjust Step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff D30V30MASCMA
  • Delivers up to 4A continuous current
  • Features precise 11-turn potentiometer
  • Includes reverse-voltage protection
  • Incorporates power-save mode
  • Ensures over-temperature shutoff

The Pololu 4.2-15V, 3A Fine-Adjust Step-Down Voltage Regulator W/ Adjustable Low-Voltage Cutoff D30V30MASCMA is a versatile voltage regulator designed for precise output voltage control ranging from 4.2 V to 15 V. It features an adjustable low-voltage cutoff and can deliver a continuous output current of up to 4 A, depending on the input and output voltages. The regulator is equipped with a precision 11-turn potentiometer for fine adjustments and operates with a switching frequency of approximately 700 kHz under heavy loads.

This compact regulator includes various protective features such as reverse-voltage protection up to 40 V, over-current and short-circuit protection, and over-temperature shutoff. It also incorporates a soft-start feature to limit inrush current and enhance operational efficiency. The device is designed with a power-save mode for increased efficiency under light loads and includes a 'power good' indicator for monitoring purposes.

  • 1x 6×1 Straight male header strip
  • 1x 6×1 Right-angle male header strip
  • 15.2 x 25.4 x 9 mm (0.6 x 1.0355")
  • Input voltage range: VOUT to 45 V
  • Output voltage: 4.2 V to 15 V, adjustable with an 11-turn potentiometer
  • Maximum continuous output current: 1 A to 4 A
  • Adjustable low-voltage cutoff threshold with an 11-turn potentiometer
  • Efficiency: 80% to 95%
  • Switching frequency: approximately 700 kHz under heavy loads
  • Power-save mode for enhanced efficiency at light loads
  • Low quiescent current
  • Enable input for low-power shutdown
  • 'Power good' output indicator
  • Frequency spread spectrum operation
  • Under-voltage lockout protection
  • Soft-start feature
  • Integrated reverse-voltage protection up to 40 V
  • Over-current and short-circuit protection
  • Over-temperature shutoff

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