Overview
The NCP161BFCT180T2G is a linear low-dropout (LDO) regulator 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 distinguished by its ultra-low noise, high power supply rejection ratio (PSRR), and low quiescent current. The NCP161 is available in various package options, including ultra-small WLCSP4 and XDFN4 packages, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage | 1.9 | 5.5 | V | |
| Output Voltage | 1.8 | V | ||
| Output Current | 450 | mA | ||
| Output Voltage Accuracy | −2% | +2% | % | |
| Quiescent Current | 18 | 23 | μA | |
| Dropout Voltage | 365 | 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 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.
- Available in ultra-small WLCSP4 and XDFN4 packages.
- Pb-free and RoHS compliant.
- Thermal shutdown and current limit protection.
- Enable pin for on/off control.
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 NCP161BFCT180T2G?
The NCP161BFCT180T2G can supply up to 450 mA of output current.
- What is the typical quiescent current of the NCP161BFCT180T2G?
The typical quiescent current is 18 μA.
- What is the dropout voltage of the NCP161BFCT180T2G at 450 mA output current?
The dropout voltage is typically 365 mV at 450 mA output current.
- What is the PSRR of the NCP161BFCT180T2G at 1 kHz?
The PSRR is typically 98 dB at 1 kHz.
- What are the package options available for the NCP161BFCT180T2G?
The device is available in WLCSP4 and XDFN4 packages.
- Is the NCP161BFCT180T2G Pb-free and RoHS compliant?
- What is the thermal shutdown threshold of the NCP161BFCT180T2G?
The thermal shutdown threshold is 160°C.
- How do you enable or disable the NCP161BFCT180T2G?
The device can be enabled by pulling the EN pin above 1.2 V and disabled by pulling it below 0.4 V.
- What are some typical applications of the NCP161BFCT180T2G?
Typical applications include battery-powered equipment, wireless LAN devices, smartphones, tablets, cameras, DVRs, STBs, and camcorders.
- What is the output noise of the NCP161BFCT180T2G?
The output noise is typically 10 μVRMS from 10 Hz to 100 kHz.
