Overview
The NCV8705MWADJTCG 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 highly stable and noise-free 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 | |
| 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) at 1 kHz | PSRR | 71 | dB | ||
| Output Noise Voltage (100 Hz to 100 kHz) | VN | 12 | μVrms | ||
| 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
- 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 is the typical quiescent current of the NCV8705?
The typical quiescent current is 13 μA.
- What is the dropout voltage at 500 mA output current?
The dropout voltage is typically 230 mV at 500 mA output current.
- What is the power supply rejection ratio (PSRR) at 1 kHz?
The PSRR is 71 dB at 1 kHz.
- Does the NCV8705 have thermal protection features?
- What is the output noise voltage of the NCV8705?
The output noise voltage is 12 μVrms from 100 Hz to 100 kHz.
- Is the NCV8705 suitable for automotive applications?
- What type of output capacitor is recommended for stability?
A 1 μF ceramic output capacitor is recommended for stability.
- Does the NCV8705 have an active output discharge feature?
- Is the NCV8705 RoHS compliant?
