Overview
The NCP163AFCS280T2G, produced by onsemi, is a next-generation ultra-low noise, high PSRR (Power Supply Rejection Ratio) Linear Voltage Regulator. This device is designed to supply up to 250 mA of output current and is tailored to meet the stringent requirements of RF and sensitive analog circuits. It offers exceptional performance in terms of noise, PSRR, and load/line transients, making it an ideal choice for various high-performance applications.
Key Specifications
| Parameter | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Operating Input Voltage Range | V | - | 2.2 | 5.5 |
| Output Voltage Range | V | - | 1.2 | 5.3 |
| Output Current | mA | - | - | 250 |
| Output Voltage Accuracy | % | ±2% | - | - |
| Quiescent Current | μA | 12 | - | - |
| Standby Current | μA | 0.1 | - | - |
| Dropout Voltage at 250 mA | mV | 80 | - | - |
| PSRR at 1 kHz, 20 mA | dB | 92 | - | - |
| Output Noise (10 Hz to 100 kHz) | μVRMS | 6.5 | - | - |
| Thermal Shutdown Threshold | °C | 160 (Rising), 140 (Falling) | - | - |
| Package Options | - | WLCSP4, XDFN4, SOT23-5L | - | - |
Key Features
- Ultra-Low Noise: 6.5 μVRMS output noise from 10 Hz to 100 kHz.
- High PSRR: Typical PSRR of 92 dB at 1 kHz and 20 mA.
- Low Quiescent Current: Typical quiescent current of 12 μA.
- Low Dropout Voltage: 80 mV at 250 mA output current.
- Stable with Small Capacitors: Stable operation with 1 μF ceramic input and output capacitors.
- Enable/Disable Function: EN pin for enabling/disabling the device and active discharge function.
- Soft-Start Feature: Ensures smooth output voltage rise to prevent excessive input current.
- Overheating Protection: Thermal shutdown with thresholds at 160°C (rising) and 140°C (falling).
- Current Limit and Short Circuit Protection: Internal current limit and short circuit protection.
Applications
- Battery-Powered Equipment: Suitable for devices requiring low power consumption and high performance.
- Wireless LAN Devices: Ideal for wireless communication devices needing low noise and high PSRR.
- Smartphones and Tablets: Used in mobile devices to ensure stable and efficient power supply.
- Cameras, DVRs, STBs, and Camcorders: Suitable for various consumer electronics requiring high-quality power regulation.
Q & A
- What is the maximum output current of the NCP163AFCS280T2G?
The maximum output current is 250 mA.
- What is the typical quiescent current of the NCP163AFCS280T2G?
The typical quiescent current is 12 μA.
- What are the package options available for the NCP163AFCS280T2G?
The device is available in WLCSP4, XDFN4, and SOT23-5L packages.
- What is the typical PSRR of the NCP163AFCS280T2G at 1 kHz and 20 mA?
The typical PSRR is 92 dB.
- What is the output noise of the NCP163AFCS280T2G from 10 Hz to 100 kHz?
The output noise is 6.5 μVRMS.
- Does the NCP163AFCS280T2G have an enable/disable function?
Yes, it has an EN pin for enabling/disabling the device and active discharge function.
- What is the thermal shutdown threshold for the NCP163AFCS280T2G?
The thermal shutdown thresholds are 160°C (rising) and 140°C (falling).
- Is the NCP163AFCS280T2G protected against short circuits and overheating?
Yes, it has internal current limit and short circuit protection, as well as thermal shutdown protection.
- What type of capacitors are recommended for input and output decoupling?
X7R or X5R ceramic capacitors are recommended for both input and output decoupling.
- Does the NCP163AFCS280T2G support soft-start?
Yes, it has a soft-start feature to ensure smooth output voltage rise.
