Overview
The LP2951ACD is a low-power, low-dropout (LDO) linear voltage regulator produced by ON Semiconductor. This device is designed to provide a stable output voltage with minimal input-to-output voltage differential, making it suitable for a variety of applications where low power consumption and high precision are required.
The LP2951ACD series includes several versions with different output voltages, but the LP2951ACD-3.3R2G specifically provides a fixed output voltage of 3.3V. It is part of the LP2951 family, known for its micropower operation and robust protection features.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ON Semiconductor |
| Type of Integrated Circuit | Voltage Regulator |
| Kind of Voltage Regulator | Fixed, LDO, Linear |
| Voltage Drop | 0.35V |
| Output Voltage | 3.3V |
| Output Current | 0.1A (100 mA) |
| Case | SO8 |
| Mounting | SMD |
| Kind of Package | Reel, Tape |
| Operating Temperature | -40°C to 125°C |
| Tolerance | ±0.5% |
| Number of Channels | 1 |
| Input Voltage | 1.25V to 29V |
Key Features
- Low Dropout Voltage: The LP2951ACD features a low dropout voltage of 0.35V, ensuring efficient voltage regulation even with a small input-to-output voltage differential.
- Low Quiescent Current: The device has a very low quiescent bias current of 75 μA, making it suitable for battery-powered and low-power applications.
- Internal Protection: It includes internal current and thermal limiting protection to prevent damage from overcurrent and overheating conditions.
- Error Flag Output: The LP2951ACD has an error flag output that can signal external circuitry of an out-of-regulation condition or serve as a microprocessor power-on reset.
- Precision Output Voltage: The output voltage has a high precision of ±0.5% at 25°C, ensuring stable and reliable operation.
Applications
- Battery-Powered Devices: The low quiescent current and low dropout voltage make it ideal for battery-powered devices where power efficiency is crucial.
- Portable Electronics: Suitable for use in portable electronics such as handheld devices, smartphones, and tablets.
- Industrial Control Systems: Can be used in industrial control systems where stable and precise voltage regulation is necessary.
- Automotive Systems: Applicable in automotive systems due to its robust protection features and wide operating temperature range.
Q & A
- What is the output voltage of the LP2951ACD-3.3R2G?
The output voltage of the LP2951ACD-3.3R2G is 3.3V.
- What is the maximum output current of the LP2951ACD-3.3R2G?
The maximum output current is 100 mA (0.1A).
- What is the operating temperature range of the LP2951ACD-3.3R2G?
The operating temperature range is -40°C to 125°C.
- What type of package is the LP2951ACD-3.3R2G available in?
The device is available in SO8 SMD packages, and it can be supplied in reels or tapes.
- Does the LP2951ACD-3.3R2G have internal protection features?
Yes, it includes internal current and thermal limiting protection.
- What is the quiescent current of the LP2951ACD-3.3R2G?
The quiescent current is 75 μA.
- Can the LP2951ACD-3.3R2G be used in automotive systems?
Yes, it is suitable for use in automotive systems due to its robust protection features and wide operating temperature range.
- What is the input voltage range for the LP2951ACD-3.3R2G?
The input voltage range is from 1.25V to 29V.
- Does the LP2951ACD-3.3R2G have an error flag output?
Yes, it has an error flag output that can signal out-of-regulation conditions or serve as a microprocessor power-on reset.
- What is the tolerance of the output voltage for the LP2951ACD-3.3R2G?
The output voltage tolerance is ±0.5% at 25°C.
