Overview
The NCV4274AST33T3G is a precision micro-power voltage regulator produced by onsemi. This device is part of the NCV4274 and NCV4274A series, known for their high accuracy and reliability. The NCV4274AST33T3G is specifically designed to provide a regulated output voltage of 3.3V with an accuracy of ±2.0%. It is available in the SOT-223 package, making it suitable for a variety of applications, particularly in automotive and battery-operated microprocessor equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Voltage Accuracy | ±2.0% | - |
| Output Current Capability | 400 | mA |
| Input Voltage Range | 4.5 to 40 | V |
| Quiescent Current at 1 mA load | 150 | μA |
| Maximum Dropout Voltage | 0.5 | V |
| Junction Temperature Range | -40 to 150 | °C |
| Package Type | SOT-223 | - |
| ESD Capability (Human Body Model) | 4 kV | - |
| ESD Capability (Machine Model) | 200 V | - |
| ESD Capability (Charged Device Model) | 1 kV | - |
Key Features
- Precision micro-power voltage regulator with ±2.0% or ±4.0% output voltage accuracy.
- Output current capability of 400 mA.
- Low quiescent current of 150 μA at a 1 mA load.
- Very low dropout voltage of 0.5 V.
- Fault protection including reverse battery, short circuit, and thermal overload.
- Able to withstand load dump transients, making it suitable for automotive environments.
- AEC-Q100 qualified and PPAP capable.
- Pb-free device.
Applications
The NCV4274AST33T3G is ideal for use in automotive and all battery-operated microprocessor equipment. Its robust design and fault protection features make it suitable for demanding environments. It can be used in various applications such as:
- Automotive systems requiring stable voltage regulation.
- Battery-operated devices needing low quiescent current.
- Microprocessor-based systems requiring reliable voltage supply.
- Industrial control systems where precision voltage regulation is critical.
Q & A
- What is the output voltage of the NCV4274AST33T3G?
The output voltage of the NCV4274AST33T3G is 3.3V with an accuracy of ±2.0%.
- What is the maximum output current capability of this regulator?
The maximum output current capability is 400 mA.
- What is the quiescent current of the NCV4274AST33T3G at a 1 mA load?
The quiescent current is 150 μA at a 1 mA load.
- What are the input voltage range and maximum dropout voltage for this regulator?
The input voltage range is from 4.5V to 40V, and the maximum dropout voltage is 0.5V.
- Does the NCV4274AST33T3G have any fault protection features?
- Is the NCV4274AST33T3G suitable for automotive applications?
- What is the package type of the NCV4274AST33T3G?
The package type is SOT-223.
- What are the ESD protection capabilities of this device?
The device has ESD protection capabilities of 4 kV (Human Body Model), 200 V (Machine Model), and 1 kV (Charged Device Model).
- Is the NCV4274AST33T3G a Pb-free device?
- What are some typical applications for the NCV4274AST33T3G?
