Overview
The NCP161AMX330TBG is a linear low-dropout (LDO) regulator produced by onsemi. This device is designed to meet the stringent requirements of RF and analog circuits, offering high performance in terms of noise, power supply rejection ratio (PSRR), and load/line transients. The NCP161 can supply up to 450 mA of output current and is available in various package options, including the ultra-small XDFN4 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage Range | 1.9 to 5.5 | V |
| Output Voltage | 3.3 | V |
| Output Current | 450 | mA |
| Output Voltage Accuracy | ±2% | |
| Quiescent Current (Typical) | 18 µA | |
| Dropout Voltage (Typical at 450 mA) | 260 mV | mV |
| PSRR (Typical at 1 kHz) | 98 dB | |
| Output Noise (Typical, 10 Hz to 100 kHz) | 10 µVRMS | |
| Package Options | XDFN4, WLCSP4, SOT23-5 | |
| Maximum Junction Temperature | 150 °C |
Key Features
- Ultra-low noise: 10 µVRMS from 10 Hz to 100 kHz.
- High PSRR: Typically 98 dB at 1 kHz.
- Low quiescent current: Typical 18 µA.
- Low dropout voltage: 260 mV at 450 mA.
- Very good load and line transients.
- Stable operation with small 1 µF ceramic capacitors.
- Pb-free and RoHS compliant.
- Active discharge feature in some versions.
Applications
The NCP161AMX330TBG is suitable for a variety of applications requiring low noise and high stability, including:
- RF circuits
- Analog circuits
- Wireless communication devices
- Audio and video equipment
- Medical devices
- Industrial control systems
Q & A
- What is the maximum output current of the NCP161AMX330TBG?
The maximum output current is 450 mA.
- What is the typical quiescent current of the NCP161AMX330TBG?
The typical quiescent current is 18 µA.
- What is the dropout voltage at 450 mA output current?
The dropout voltage is typically 260 mV at 450 mA.
- What is the PSRR of the NCP161AMX330TBG at 1 kHz?
The PSRR is typically 98 dB at 1 kHz.
- What are the package options available for the NCP161AMX330TBG?
The device is available in XDFN4, WLCSP4, and SOT23-5 packages.
- Is the NCP161AMX330TBG Pb-free and RoHS compliant?
- What is the maximum junction temperature for the NCP161AMX330TBG?
The maximum junction temperature is 150 °C.
- What type of capacitors are recommended for input and output stability?
Small 1 µF ceramic capacitors are recommended for both input and output stability.
- Does the NCP161AMX330TBG have an active discharge feature?
Yes, some versions of the device include an active discharge feature.
- What are some typical applications for the NCP161AMX330TBG?
Typical applications include RF circuits, analog circuits, wireless communication devices, audio and video equipment, medical devices, and industrial control systems.
