Overview
The NCP161AFCT180T2G is a linear low-dropout (LDO) regulator designed by onsemi 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 distinguished by its ultra-low noise, high power supply rejection ratio (PSRR), and low quiescent current. It is optimized for use in applications where stable and clean power supply is crucial, such as in battery-powered equipment, smartphones, tablets, and various precision analog circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage Range | 1.9 to 5.5 | V |
| Output Voltage Accuracy | ±2% | |
| Output Current | Up to 450 | mA |
| Quiescent Current | Typ. 18 | µA |
| Dropout Voltage at 450 mA | Typ. 150 | mV |
| PSRR at 1 kHz | Typ. 98 | dB |
| Output Noise (10 Hz to 100 kHz) | Typ. 10 | µVRMS |
| Package Types | WLCSP4, XDFN4, SOT23-5 | |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -55 to 150 | °C |
Key Features
- Ultra-low noise: 10 µVRMS output noise from 10 Hz to 100 kHz.
- High PSRR: Up to 98 dB at 1 kHz.
- Low quiescent current: Typically 18 µA.
- Very low dropout voltage: 150 mV at 450 mA output current.
- Stable with small case size ceramic capacitors (1 µF input and output).
- Available in ultra-small packages: WLCSP4, XDFN4, and SOT23-5.
- Pb-free and RoHS compliant.
- Integrated soft-start and current limit.
- Thermal shutdown and active output discharge.
Applications
- Battery-powered equipment.
- Wireless LAN devices.
- Smartphones and tablets.
- Cameras, DVRs, STBs, and camcorders.
- RF modules.
- Precision analog circuits.
- A/D and D/A converters power supply.
- Audio codecs.
Q & A
- What is the maximum output current of the NCP161AFCT180T2G?
The NCP161AFCT180T2G can supply up to 450 mA of output current. - What is the operating input voltage range of the NCP161AFCT180T2G?
The operating input voltage range is from 1.9 V to 5.5 V. - What is the typical quiescent current of the NCP161AFCT180T2G?
The typical quiescent current is 18 µA. - What is the dropout voltage at 450 mA output current?
The dropout voltage is typically 150 mV at 450 mA output current. - What is the PSRR at 1 kHz for the NCP161AFCT180T2G?
The PSRR at 1 kHz is typically 98 dB. - What are the available package types for the NCP161AFCT180T2G?
The device is available in WLCSP4, XDFN4, and SOT23-5 packages. - Is the NCP161AFCT180T2G Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant. - What are some typical applications of the NCP161AFCT180T2G?
Typical applications include battery-powered equipment, smartphones, tablets, cameras, and RF modules. - What is the maximum junction temperature for the NCP161AFCT180T2G?
The maximum junction temperature is 150 °C. - Does the NCP161AFCT180T2G have integrated thermal shutdown and active output discharge features?
Yes, it does have integrated thermal shutdown and active output discharge features.
