Boardoza NCP3334A 3.3V Low Dropout Voltage Regulator Breakout Board

The Boardoza NCP3334A 3.3V Low Dropout Voltage Regulator Breakout Board is a precision power regulation module based on the onsemi NCP3334A linear regulator. Designed to provide a stable and low-noise 3.3V output, it delivers up to 500 mA output current with excellent line and load regulation characteristics.

This breakout board is ideal for powering microcontrollers, embedded systems, sensors, and battery-powered devices. With its low dropout voltage, high accuracy, and reverse-bias protection, it offers reliable and efficient operation for a wide range of DIY, prototyping, and professional electronic applications.

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Front Side	Back Side

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Key Features

• High-Precision Regulation: Maintains a stable 3.3V output with ±0.9% accuracy at 25°C.
• Low Dropout Voltage: Ensures efficient regulation even with minimal input-to-output voltage difference.
• Low Noise Operation: Suitable for noise-sensitive analog and RF circuits.
• No Minimum Load Required: Stable operation across the entire load range.
• Low Shutdown Current: Minimizes power loss when disabled.
• Reverse Bias Protection: Safeguards the regulator and connected components.
• Reliable 500 mA Output: Provides sufficient current for most embedded and sensor applications.

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Technical Specifications

Manufacturer: onsemi
Model: NCP3334A
Regulator Type: Linear LDO Regulator
Input Voltage Range: 3.5V – 12V
Output Voltage: 3.3V (Fixed)
Maximum Output Current: 500 mA
Accuracy: ±0.9% at 25°C
Dropout Voltage: Ultra-low (typical value depends on load)
Functions: 3.3V Low Dropout Regulator
Protections: Reverse Bias, Thermal Shutdown
Operating Temperature: –40°C ~ +150°C
Board Dimensions: 20mm × 40mm

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Board Pinout

( J1 ) Power Input Connector

Pin Number	Pin Name	Description
1	VIN	Power input (3.5V – 12V)
2	GND	Ground

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( J2 ) Power Output Connector

Pin Number	Pin Name	Description
1	VOUT	Regulated 3.3V output
2	GND	Ground

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Board Dimensions

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Step Files

Boardoza NCP3334A 3V3.step

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Datasheet

onsemi NCP3334A 3V3 Datasheet.pdf

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Version History

• V1.0.0 – Initial Release

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Support

For technical questions or assistance, please contact [email protected]

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License

Shield:

This work is licensed under a
Creative Commons Attribution-ShareAlike 4.0 International License.