Overview
The NCP161AMX514TBG is a high-performance linear low-dropout (LDO) regulator designed by ON Semiconductor. This device is optimized for use in RF and analog circuits, offering ultra-low noise, high power supply rejection ratio (PSRR), and low quiescent current. The NCP161 can supply up to 450 mA of output current and is available in various package options, including ultra-small Chip Scale Package (CSP) and XDFN4 packages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage Range | 1.9 | 5.5 | V | |
| Output Voltage Range | 1.8 | 5.14 | V | |
| Output Current | 450 | mA | ||
| Output Voltage Accuracy | −2% | +2% | % | |
| Quiescent Current | 18 | 23 | μA | |
| Dropout Voltage (at 450 mA) | 150 | 480 | mV | |
| PSRR at 1 kHz | 98 | dB | ||
| Output 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: Up to 98 dB at 1 kHz.
- Low quiescent current: Typical 18 μA.
- Low dropout voltage: As low as 150 mV at 450 mA.
- High accuracy: ±2% output voltage accuracy over load and temperature.
- Stable with small ceramic capacitors: 1 μF input and output capacitors.
- Multiple package options: WLCSP4, XDFN4, and SOT23-5 packages.
- Pb-free and RoHS compliant.
Applications
- Battery-powered equipment.
- Wireless LAN devices.
- Smartphones and tablets.
- Cameras, DVRs, set-top boxes (STBs), and camcorders.
Q & A
- What is the maximum output current of the NCP161?
The NCP161 can supply up to 450 mA of output current.
- What is the operating input voltage range of the NCP161?
The operating input voltage range is from 1.9 V to 5.5 V.
- What are the typical quiescent and shutdown currents of the NCP161?
The typical quiescent current is 18 μA, and the shutdown current is 0.01 μA.
- What is the PSRR of the NCP161 at 1 kHz?
The PSRR at 1 kHz is typically 98 dB.
- What is the output voltage noise of the NCP161?
The output voltage noise is 10 μVRMS from 10 Hz to 100 kHz.
- What are the package options available for the NCP161?
The NCP161 is available in WLCSP4, XDFN4, and SOT23-5 packages.
- Is the NCP161 Pb-free and RoHS compliant?
Yes, the NCP161 is Pb-free and RoHS compliant.
- What is the thermal shutdown threshold of the NCP161?
The thermal shutdown threshold is 160°C.
- How does the NCP161 handle line and load transients?
The NCP161 exhibits very good line and load transient responses, with minimal voltage deviations during transient conditions.
- What are the typical applications of the NCP161?
Typical applications include battery-powered equipment, wireless LAN devices, smartphones, tablets, cameras, DVRs, STBs, and camcorders.
