Regulators
Boardoza NCP3334A 3V3 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.

1 / 4
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.
Technical Specifications
- Manufacturer
- onsemi
- Model
- NCP3334A
- Type
- Linear LDO Regulator
- Input Voltage Range
- 3.5V – 12V
- Output Voltage
- 3.3V
- 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
- Operating Temperature
- –40°C ~ +150°C
- Board Dimensions
- Ultra-low (typical value depends on load)
Board Pinout
( J1 ) Power Input Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VIN | Power input (3.5V – 12V) |
| 2 | GND | Ground |
( J2 ) Power Output Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VOUT | Regulated 3.3V output |
| 2 | GND | Ground |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.



