Overview
The NCV4264-2CST33T3G is a low dropout (LDO) linear voltage regulator produced by onsemi. This regulator is designed to provide a fixed output voltage of 3.3V with high accuracy and low quiescent current consumption. It is functionally and pin-for-pin compatible with the NCV4264, offering enhanced features such as lower quiescent current and internal fault protection. The device is suitable for various applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| DC Input Operating Voltage | VIN | 4.5 | 45 | V | |
| Junction Temperature Operating Range | TJ | -40 | 150 | °C | |
| Output Voltage (3.3V Version) | VOUT | 3.234 | 3.300 | 3.366 | V |
| Maximum Dropout Voltage at 100 mA Load Current | 500 | mV | |||
| Quiescent Current at IOUT = 100 mA | Iq | 33 | 60 | µA | |
| Output Current | IOUT | 100 | mA | ||
| Thermal Shutdown Threshold | TTSD | 150 | 200 | °C | |
| Power Supply Rejection Ratio (PSRR) at 100 Hz | 67 | dB |
Key Features
- Fixed output voltage of 3.3V or 5.0V with ±2.0% output voltage accuracy over the full temperature range.
- Low quiescent current consumption of 60 µA maximum at IOUT = 100 mA.
- Maximum dropout voltage of 500 mV at 100 mA load current.
- Wide input voltage operating range from 4.5 V to 45 V.
- Internal fault protection against 45 V input transients, input supply reversal, output overcurrent faults, and excess die temperature.
- No external components required to enable these features.
- AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- Pb-free package.
Applications
- Automotive systems requiring stable voltage regulation.
- Industrial control systems and automation.
- Consumer electronics needing low dropout voltage regulation.
- Medical devices requiring high accuracy and reliability.
- Telecommunication equipment and networking devices.
Q & A
- What is the output voltage accuracy of the NCV4264-2CST33T3G?
The output voltage accuracy is ±2.0% over the full temperature range.
- What is the maximum dropout voltage at 100 mA load current?
The maximum dropout voltage is 500 mV at 100 mA load current.
- What is the quiescent current consumption of the regulator?
The quiescent current consumption is 60 µA maximum at IOUT = 100 mA.
- What is the input voltage operating range of the NCV4264-2CST33T3G?
The input voltage operating range is from 4.5 V to 45 V.
- Does the regulator have internal fault protection?
Yes, it has internal fault protection against 45 V input transients, input supply reversal, output overcurrent faults, and excess die temperature.
- Is the NCV4264-2CST33T3G AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified and PPAP capable.
- What is the maximum output current of the regulator?
The maximum output current is 100 mA.
- What is the thermal shutdown threshold of the regulator?
The thermal shutdown threshold is between 150°C and 200°C.
- Is the package Pb-free?
Yes, the package is Pb-free.
- What is the power supply rejection ratio (PSRR) at 100 Hz?
The PSRR at 100 Hz is 67 dB.
