Overview
The NCP163AMX290TBG is a Low Dropout Regulator (LDO) from onsemi, designed to meet the stringent requirements of RF and sensitive analog circuits. This device is capable of supplying up to 250 mA of output current and is characterized by its ultra-low noise, high Power Supply Rejection Ratio (PSRR), and low quiescent current. The NCP163AMX290TBG is available in various package options, including ultra-small WLCSP, XDFN-4, and TSOP5 packages, making it suitable for a wide range of applications where space and performance are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | 250 | mA |
| Operating Input Voltage Range | 2.2 to 5.5 | V |
| Output Voltage Noise (RMS) | 6.5 | µV |
| PSRR at 1 kHz | 92 | dB |
| Quiescent Current (Typical) | 12 | µA |
| Dropout Voltage at 250 mA | 80 | mV |
| Package Options | WLCSP-4, XDFN-4, TSOP5 | |
| Maximum Junction Temperature | 150 | °C |
Key Features
- Ultra-Low Noise: 6.5 µV RMS output noise.
- High PSRR: 92 dB at 1 kHz and 60 dB at 100 kHz.
- Low Quiescent Current: Typical quiescent current of 12 µA.
- Low Dropout Voltage: 80 mV at 250 mA output current.
- Excellent Load/Line Transients: Stable operation with minimal voltage fluctuations.
- Compact Packages: Available in ultra-small WLCSP, XDFN-4, and TSOP5 packages.
- Active Discharge: Fast turn-off capability to reduce power consumption.
Applications
- Battery-powered equipment
- Audio codecs and A/D, D/A converters
- Camera modules and camcorders
- Smartphones and tablets
- Wireless routers and LAN devices
- Precision analog circuits and RF modules
Q & A
- What is the maximum output current of the NCP163AMX290TBG?
The maximum output current is 250 mA.
- What is the operating input voltage range of the NCP163AMX290TBG?
The operating input voltage range is from 2.2 V to 5.5 V.
- What is the typical output noise of the NCP163AMX290TBG?
The typical output noise is 6.5 µV RMS.
- What is the PSRR of the NCP163AMX290TBG at 1 kHz?
The PSRR at 1 kHz is 92 dB.
- What is the quiescent current of the NCP163AMX290TBG?
The typical quiescent current is 12 µA.
- What is the dropout voltage of the NCP163AMX290TBG at 250 mA output current?
The dropout voltage is 80 mV at 250 mA output current.
- In what packages is the NCP163AMX290TBG available?
The device is available in WLCSP-4, XDFN-4, and TSOP5 packages.
- What is the maximum junction temperature for the NCP163AMX290TBG?
The maximum junction temperature is 150 °C.
- Does the NCP163AMX290TBG support active discharge?
Yes, it supports active discharge for fast turn-off.
- What are some typical applications of the NCP163AMX290TBG?
Typical applications include battery-powered equipment, audio codecs, camera modules, smartphones, tablets, and wireless routers.
