Overview
The NCV4264D50R2G is a precision low dropout linear voltage regulator produced by onsemi. This device is available in fixed output voltages of 3.3 V and 5.0 V, with the 'D50' suffix indicating a 5.0 V output. It is designed to provide a high level of accuracy and reliability, making it suitable for a variety of applications, including automotive and industrial systems.
The regulator features a wide input voltage range of 4.5 V to 45 V, a full load current rating of 100 mA, and a maximum dropout voltage of 500 mV at 100 mA load current. It is internally protected against input transients, supply reversal, overcurrent faults, and thermal overload, ensuring robust operation under various conditions.
Key Specifications
| Parameter | Symbol | Min | |||
|---|---|---|---|---|---|
| DC Input Voltage | VIN | -42 | 45 | V | |
| Output Voltage (5.0 V Version) | VOUT | 4.900 | 5.000 | 5.100 | V |
| Output Voltage (3.3 V Version) | VOUT | 3.234 | 3.300 | 3.366 | V |
| Dropout Voltage at 100 mA Load | VIN - VOUT | 500 | mV | ||
| Quiescent Current at IOUT = 1.0 mA | Iq | 400 | μA | ||
| Output Capacitor for Stability (5.0 V Version) | COUT | 10 | μF | ||
| Output Capacitor for Stability (3.3 V Version) | COUT | 22 | μF | ||
| Thermal Shutdown Threshold | TTSD | 150 | 200 | °C | |
| Junction-to-Ambient Thermal Resistance (SOT-223) | RθJA | 99 | °C/W | ||
| Junction-to-Ambient Thermal Resistance (SO-8) | RθJA | 162 | °C/W |
Key Features
- Fixed Output Voltages: Available in 3.3 V and 5.0 V versions.
- High Accuracy: Output voltage accuracy within ±2.0% over the full temperature range.
- Low Dropout Voltage: Maximum dropout voltage of 500 mV at 100 mA load current.
- Wide Input Voltage Range: Operates from 4.5 V to 45 V.
- Internal Fault Protection: Protected against input transients, supply reversal, overcurrent faults, and thermal overload.
- Low Quiescent Current: 400 μA at IOUT = 1.0 mA.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other demanding applications.
- Pb-Free Package: Compliant with lead-free requirements.
Applications
The NCV4264D50R2G is designed for use in various applications, including:
- Automotive Systems: Suitable for automotive electronics due to its AEC-Q100 qualification and robust protection features.
- Industrial Control Systems: Used in industrial control systems where high reliability and precision voltage regulation are required.
- Consumer Electronics: Applicable in consumer electronics that require stable and efficient power supply.
- Medical Devices: Can be used in medical devices where precise voltage regulation and reliability are critical.
Q & A
- What are the available output voltages for the NCV4264?
The NCV4264 is available in fixed output voltages of 3.3 V and 5.0 V.
- 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 input voltage range for the NCV4264?
The input voltage range is from 4.5 V to 45 V.
- Does the NCV4264 have internal protection features?
Yes, it is internally protected against input transients, supply reversal, overcurrent faults, and thermal overload.
- What is the quiescent current at IOUT = 1.0 mA?
The quiescent current is 400 μA at IOUT = 1.0 mA.
- Is the NCV4264 AEC-Q100 qualified?
Yes, the NCV4264 is AEC-Q100 qualified and PPAP capable, making it suitable for automotive applications.
- What is the thermal shutdown threshold for the NCV4264?
The thermal shutdown threshold is between 150°C and 200°C.
- What are the recommended output capacitors for stability?
For the 5.0 V version, a 10 μF capacitor is recommended, and for the 3.3 V version, a 22 μF capacitor is recommended.
- Is the NCV4264 Pb-free?
Yes, the NCV4264 is available in Pb-free packages.
- What are the typical applications for the NCV4264?
The NCV4264 is typically used in automotive systems, industrial control systems, consumer electronics, and medical devices.
