Pololu 4.2-15V, 3.3A Fine-Adjust Step-Down Voltage Regulator D30V33MAS

Description

• Pololu 4.2-15V, 3.3A Fine-Adjust Step-Down Voltage Regulator D30V33MAS
• Offers precision adjustable output from 4.2V to 15V
• Supports continuous output current up to 4.3A
• Features integrated protections for enhanced safety
• Includes power-save mode for light load efficiency
• Operates with input voltage up to 45V

The Pololu 4.2-15V, 3.3A Fine-Adjust Step-Down Voltage Regulator D30V33MAS is a versatile voltage regulator with an adjustable output range from 4.2 V to 15 V. It features a precision 11-turn potentiometer for fine-tuning the output voltage and supports a continuous output current up to 4.3 A. The device operates efficiently with an input voltage range from VOUT to 45 V and includes integrated protections such as reverse-voltage, over-current, short-circuit, and over-temperature shutoff. Additionally, it offers a soft-start feature and power-save mode for enhanced efficiency under light loads.

View moreWhat’s Included

• 1x Pololu 4.2-15V, 3.3A Fine-Adjust Step-Down Voltage Regulator D30V33MAS
• 1x 61 Straight male header strip
• 2x 2-pin, 3.5 mm-pitch terminal block

Dimensions

• 22.9 x 30.5 x 7 mm (0.9 x 1.2 x 0.3″)

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• 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: 1.3 A to 4.3 A
• Efficiency: 80% to 95%
• Very low dropout voltage
• Switching frequency: approximately 700 kHz under heavy loads
• Power-save mode for enhanced light load efficiency
• Low quiescent current
• Enable input with precise cutoff threshold
• ‘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