Description
NCP431AILPRAG
Overview
The NCP431AILPRAG is a high-performance, adjustable, 1A low dropout linear regulator designed for use in a wide range of applications. This device offers exceptional power supply rejection ratio (PSRR) and low noise operation, making it suitable for sensitive circuitry and noise-reduction requirements.
Key Features
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage Range: Adjustable (1.25V to 5.0V)
- Maximum Output Current: 1A
- Dropout Voltage: 340mV at 1A
- Quiescent Current: 42μA (typical)
- Noise (RMS): 26μV (10Hz to 100kHz)
- PSRR at 1kHz: 65dB
- Output Voltage Tolerance: ±2% (over line, load, and temperature)
- Operating Ambient Temperature Range: -40°C to +125°C
- Package: D2PAK-3
- Thermal Shutdown: Yes
- Short Circuit Protection: Yes
Application
The NCP431AILPRAG is used in a variety of applications requiring regulated voltages, including:
- Power Supply Modules: Where a stable, low-noise output is necessary.
- Battery-Powered Devices: For efficient power management.
- Industrial Control Systems: Where reliability and performance under varying conditions are crucial.
- Audio Equipment: To minimize noise and ensure clean power delivery.
- Medical Devices: Requiring high accuracy and reliability power supplies.
Parameter
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | V_IN | 2.5 | – | 5.5 | V |
| Output Voltage | V_OUT | 1.25 | – | 5.0 | V |
| Output Current | I_OUT | – | – | 1 | A |
| Dropout Voltage | V_DROPOUT | – | 340 | – | mV |
| Quiescent Current | I_Q | – | 42 | – | μA |
| Noise (RMS) | V_NOISE | – | 26 | – | μV |
| PSRR at 1kHz | PSRR | – | 65 | – | dB |
| Output Voltage Tolerance | – | – | ±2 | – | % |
| Operating Ambient Temperature | T_A | -40 | – | 125 | °C |
Technical Support
For detailed technical support, documentation, and to download datasheets, please visit our official website.
Ordering Information
To place an order for the NCP431AILPRAG or for more information, contact our sales team or visit the product page on our website.
Conclusion
The NCP431AILPRAG offers a powerful combination of high current capability, low dropout voltage, and low noise, making it a versatile choice for a broad range of power supply applications. Its high PSRR and thermal shutdown features enhance its reliability and performance in various environments.