Overview
The NCV2951CDR2G is a micropower voltage regulator produced by onsemi, designed for applications requiring low power consumption and high precision voltage regulation. This device is part of the LP2951 series, which is known for its extremely low input-to-output voltage differential and very low quiescent bias current of 75 μA. The NCV2951CDR2G is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
Key Specifications
| Characteristic | Symbol | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (5.0 V Version) | VO | 4.950 | 5.000 | 5.050 | V |
| Output Voltage (3.3 V Version) | VO | 3.267 | 3.300 | 3.333 | V |
| Output Voltage (3.0 V Version) | VO | 2.970 | 3.000 | 3.030 | V |
| Dropout Voltage (IO = 100 mA) | VI - VO | 350 | 450 | mV | |
| Supply Bias Current (IO = 100 mA) | ICC | 4.0 | 12 | mA | |
| Operating Ambient Temperature Range | TA | -40 | 125 | °C | |
| Maximum Die Junction Temperature | TJ | 150 | °C | ||
| Storage Temperature Range | Tstg | -65 | 150 | °C |
Key Features
- Low Quiescent Bias Current: 75 μA, making it suitable for low power applications.
- High Precision Output Voltage: Available in fixed output voltages of 3.0 V, 3.3 V, and 5.0 V, with options for adjustable output from 1.25 V to 29 V.
- Error Output: Signals an out-of-regulation condition or can be used as a microprocessor power-on reset.
- Logic Level Shutdown Input: Allows for easy control of the regulator's output.
- Internal Current and Thermal Limiting Protection: Ensures device reliability and safety.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring strict quality and reliability standards.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
- Automotive Systems: Ideal for use in automotive electronics due to its AEC-Q100 qualification and PPAP capability.
- Industrial Control Systems: Suitable for industrial applications requiring high reliability and precision voltage regulation.
- Medical Devices: Can be used in medical devices where low power consumption and high precision are critical.
- Consumer Electronics: Applicable in various consumer electronic devices requiring efficient and reliable voltage regulation.
Q & A
- What is the typical quiescent bias current of the NCV2951CDR2G?
The typical quiescent bias current is 75 μA.
- What are the available fixed output voltages for the NCV2951CDR2G?
The available fixed output voltages are 3.0 V, 3.3 V, and 5.0 V.
- Can the output voltage of the NCV2951CDR2G be adjusted?
- What is the maximum die junction temperature of the NCV2951CDR2G?
The maximum die junction temperature is 150°C.
- Is the NCV2951CDR2G AEC-Q100 qualified?
- What is the dropout voltage of the NCV2951CDR2G at 100 mA load current?
The dropout voltage at 100 mA load current is between 350 mV and 450 mV.
- Does the NCV2951CDR2G have internal current and thermal limiting protection?
- What is the operating ambient temperature range of the NCV2951CDR2G?
The operating ambient temperature range is from -40°C to +125°C.
- Is the NCV2951CDR2G Pb-free and RoHS compliant?
- What is the purpose of the error output feature in the NCV2951CDR2G?
The error output can signal an out-of-regulation condition or be used as a microprocessor power-on reset.
