Overview
The NCP161BFCS330T2G is a linear voltage regulator IC produced by onsemi, designed to meet the stringent requirements of RF and analog circuits. This device is capable of supplying up to 450 mA of output current and is known for its ultra-low noise, high power supply rejection ratio (PSRR), and low quiescent current. It is available in a compact 4-WLCSP (0.64 mm x 0.64 mm) package, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage Range | 1.9 | 5.5 | V | |
| Output Voltage Accuracy | -2% | +2% | % | |
| Output Current | 450 | mA | ||
| Quiescent Current | 18 | 23 | μA | |
| Dropout Voltage (at 450 mA) | 150 | 255 | mV | |
| Power Supply Rejection Ratio (at 1 kHz) | 98 | dB | ||
| Output Voltage Noise (10 Hz to 100 kHz) | 10 | μVRMS | ||
| Thermal Shutdown Threshold | 160 | °C |
Key Features
- Ultra-low noise: 10 μVRMS output voltage noise from 10 Hz to 100 kHz.
- High PSRR: Typically 98 dB at 1 kHz.
- Low quiescent current: Typically 18 μA.
- Low dropout voltage: 150 mV at 450 mA.
- Stable operation with small 1 μF ceramic capacitors.
- Compact packaging: Available in WLCSP4 (0.64 mm x 0.64 mm) and other packages.
- Pb-free and RoHS compliant.
- Integrated soft-start and current limit.
- Active output discharge in shutdown mode (Version A only).
Applications
- Battery-powered equipment.
- Wireless LAN devices.
- Smartphones and tablets.
- Cameras, DVRs, STBs, and camcorders.
Q & A
- What is the maximum output current of the NCP161BFCS330T2G?
The maximum output current is 450 mA.
- What is the operating input voltage range of the NCP161BFCS330T2G?
The operating input voltage range is from 1.9 V to 5.5 V.
- What is the typical quiescent current of the NCP161BFCS330T2G?
The typical quiescent current is 18 μA.
- What is the dropout voltage at 450 mA for the NCP161BFCS330T2G?
The dropout voltage at 450 mA is typically 150 mV to 255 mV depending on the output voltage.
- What is the power supply rejection ratio (PSRR) of the NCP161BFCS330T2G at 1 kHz?
The PSRR at 1 kHz is typically 98 dB.
- What is the output voltage noise of the NCP161BFCS330T2G?
The output voltage noise is typically 10 μVRMS from 10 Hz to 100 kHz.
- What are the typical applications of the NCP161BFCS330T2G?
Typical applications include battery-powered equipment, wireless LAN devices, smartphones, tablets, cameras, DVRs, STBs, and camcorders.
- Is the NCP161BFCS330T2G Pb-free and RoHS compliant?
- What is the thermal shutdown threshold of the NCP161BFCS330T2G?
The thermal shutdown threshold is 160°C.
- Does the NCP161BFCS330T2G have an active output discharge feature in shutdown mode?
