Overview
The NCV8705MT33TCG 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 quiescent current. The NCV8705MT33TCG features an innovative Adaptive Ground Current circuit, ensuring ultra-low ground current during light load conditions. It is available in fixed and adjustable voltage options, making it versatile for various applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Input Voltage | VIN | 2.5 | 5.5 | V | |
| Output Voltage Range (Fixed) | VOUT | 3.3 | V | ||
| Output Current | IOUT | 500 | mA | ||
| Quiescent Current | IQ | 13 | 25 | μA | |
| Dropout Voltage | VDO | 230 | 350 | mV | |
| Output Voltage Accuracy | VOUT | -2 | +2 | % | |
| Power Supply Rejection Ratio (PSRR) | 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 13 μA (typical)
- 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 and Cluster systems
- Telematics
- General purpose automotive and industrial applications
- Building and factory automation
- Smart meters
Q & A
- What is the operating input voltage range of the NCV8705MT33TCG?
The operating input voltage range is from 2.5 V to 5.5 V.
- What is the typical quiescent current of the NCV8705MT33TCG?
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 NCV8705MT33TCG have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold temperature of 160°C.
- Is the NCV8705MT33TCG AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified and PPAP capable).
- What is the output voltage accuracy of the NCV8705MT33TCG?
The output voltage accuracy is ±2% over load, line, and temperature).
- What is the typical output noise voltage of the NCV8705MT33TCG?
The typical output noise voltage is 12 μVrms from 100 Hz to 100 kHz).
- Does the NCV8705MT33TCG have an internal soft-start feature?
Yes, it has an internal soft-start feature to limit the turn-on inrush current).
- Is the NCV8705MT33TCG RoHS compliant?
Yes, the device is Pb-free, halogen-free/BFR-free, and RoHS compliant).
