Overview
The NCV4264-2CST50T3G is a low dropout (LDO) linear regulator produced by onsemi. This device is designed to provide a stable and efficient voltage regulation solution with low quiescent current consumption. It is functionally and pin-for-pin compatible with the NCV4264, but offers a lower quiescent current. The regulator is available in fixed output voltages of 3.3 V and 5.0 V, with an output current capability of up to 100 mA.
The NCV4264-2CST50T3G features internal protection mechanisms including input transients, input supply reversal, output overcurrent faults, and thermal overload protection, all without the need for external components. This makes it a reliable choice for various applications requiring robust voltage regulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (5.0 V Version) | 4.900 | 5.000 | 5.100 | V |
| Output Voltage (3.3 V Version) | 3.234 | 3.300 | 3.366 | V |
| Output Current | - | - | 100 | mA |
| Quiescent Current (Iq) | - | 33 | 60 | μA |
| Dropout Voltage at 100 mA Load Current | - | - | 500 | mV |
| Input Voltage Operating Range | 4.5 | - | 45 | V |
| Junction Temperature Operating Range | -40 | - | 150 | °C |
| Thermal Shutdown Threshold | 150 | - | 200 | °C |
| Short Circuit Current Limit | 40 | - | 500 | mA |
Key Features
- Fixed output voltages of 3.3 V and 5.0 V with ±2.0% output voltage accuracy over the full temperature range.
- Low quiescent current consumption of 33 μA typical at IOUT = 100 μA.
- 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 including input transients, input supply reversal, output overcurrent faults, and thermal overload protection.
- 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
The NCV4264-2CST50T3G is suitable for a variety of applications requiring stable and efficient voltage regulation. These include:
- Automotive systems: Given its AEC-Q100 qualification, it is ideal for use in automotive electronics.
- Industrial control systems: Its robust protection features and wide input voltage range make it suitable for industrial environments.
- Consumer electronics: It can be used in various consumer devices requiring low dropout voltage regulation.
- Medical devices: Its reliability and stability make it a good choice for medical equipment.
- Telecommunications: It can be used in telecommunications equipment to provide stable voltage regulation.
Q & A
- What are the fixed output voltages available for the NCV4264-2CST50T3G?
The fixed output voltages available are 3.3 V and 5.0 V.
- What is the maximum output current of the NCV4264-2CST50T3G?
The maximum output current is 100 mA.
- What is the typical quiescent current of the NCV4264-2CST50T3G?
The typical quiescent current is 33 μA.
- What is the maximum dropout voltage at 100 mA load current?
The maximum dropout voltage is 500 mV.
- What is the input voltage operating range of the NCV4264-2CST50T3G?
The input voltage operating range is from 4.5 V to 45 V.
- Does the NCV4264-2CST50T3G require external components for its protection features?
No, the protection features are internally integrated and do not require external components.
- Is the NCV4264-2CST50T3G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the thermal shutdown threshold of the NCV4264-2CST50T3G?
The thermal shutdown threshold is between 150°C and 200°C.
- What is the short circuit current limit of the NCV4264-2CST50T3G?
The short circuit current limit is between 40 mA and 500 mA.
- Is the NCV4264-2CST50T3G a Pb-free device?
Yes, the NCV4264-2CST50T3G is a Pb-free device.
