Overview
The NCV8705MTADJTCG is a low noise, low power consumption, and low dropout Linear Voltage Regulator produced by onsemi. This device is designed to provide an extremely clean power supply, making it ideal for applications requiring high noise immunity and low power consumption. The NCV8705 features an innovative Adaptive Ground Current circuit, which ensures ultra-low ground current during light load conditions. It is suitable for use in products such as RF receivers, imaging sensors, audio processors, and other components that demand a high-quality power supply.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Input Voltage | VIN | 2.5 | 5.5 | V | |
| Output Voltage Range (Adjustable) | VOUT | 0.8 | 5.5 - VDO | V | |
| Undervoltage Lock-out | UVLO | 1.2 | 1.6 | 1.9 | V |
| Output Voltage Accuracy | VOUT | -2% | +2% | % | |
| Reference Voltage | VREF | 0.8 | V | ||
| Quiescent Current | IQ | 13 | 25 | μA | |
| Dropout Voltage | VDO | 230 | 350 | mV | |
| Output Current Limit | ICL | 510 | 950 | mA | |
| Power Supply Rejection Ratio | PSRR | 71 | dB @ 1 kHz | ||
| Output Noise Voltage | VN | 12 | μVrms @ 100 Hz to 100 kHz | ||
| Thermal Shutdown Temperature | TSD | 160 | °C |
Key Features
- Ultra-low quiescent current of typically 13 μA
- Ultra-low noise: 12 μVrms from 100 Hz to 100 kHz
- Very low dropout voltage: 230 mV typical at 500 mA
- ±2% accuracy over load/line/temperature
- High PSRR: 71 dB at 1 kHz
- Internal soft-start to limit the turn-on inrush current
- Thermal shutdown and current limit protections
- Stable with a 1 μF ceramic output capacitor
- Active output discharge for fast turn-off
- Wettable flank package option available
- AEC-Q100 qualified and PPAP capable
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
- Advanced Driver Assistance Systems (ADAS)
- Infotainment & Cluster, and Telematics
- General Purpose Automotive & Industrial
- Building & Factory Automation
- Smart Meters
Q & A
- What is the operating input voltage range of the NCV8705?
The operating input voltage range is from 2.5 V to 5.5 V.
- What are the available output voltage options for the NCV8705?
The NCV8705 is available in fixed voltage options from 0.8 V to 3.5 V and adjustable voltage options from 0.8 V to 5.5 V.
- What is the typical quiescent current of the NCV8705?
The typical quiescent current is 13 μA.
- What is the dropout voltage of the NCV8705 at 500 mA?
The typical dropout voltage at 500 mA is 230 mV.
- What is the power supply rejection ratio (PSRR) of the NCV8705 at 1 kHz?
The PSRR at 1 kHz is 71 dB.
- Does the NCV8705 have thermal protection features?
- What type of output capacitor is recommended for stability?
A 1 μF ceramic output capacitor is recommended for stability.
- Is the NCV8705 AEC-Q100 qualified?
- What are the typical applications of the NCV8705?
The NCV8705 is typically used in ADAS, infotainment & cluster, telematics, general purpose automotive & industrial, building & factory automation, and smart meters.
- Is the NCV8705 Pb-free and RoHS compliant?
