Overview
The LP2951ACD-3.3R2 is a low-dropout (LDO) voltage regulator produced by onsemi. This component is designed to provide a stable output voltage of 3.3V with a maximum output current of 100mA. It is particularly suited for power management applications where low dropout voltage and high accuracy are required. The regulator features an extremely low quiescent current, making it ideal for battery-powered devices and other low-power applications. The LP2951ACD-3.3R2 is available in an 8-SOIC package and operates over a wide ambient temperature range from -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Maximum Output Current | 100 | mA |
| Maximum Input Voltage | 30 | V |
| Dropout Voltage at 100mA | 0.45 | V |
| Quiescent Current | 120 | µA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | 8-SOIC | |
| Protection Features | Overcurrent, Overtemperature |
Key Features
- Low Dropout Voltage: The LP2951ACD-3.3R2 has a dropout voltage of 0.45V at 100mA output current, ensuring efficient voltage regulation even at low input voltages.
- High Accuracy Output Voltage: The regulator maintains a high accuracy output voltage, making it suitable for applications requiring precise voltage regulation.
- Low Quiescent Current: With a quiescent current of 120µA, this regulator is ideal for battery-powered devices and other low-power applications.
- Overcurrent and Overtemperature Protection: Built-in protection features ensure the regulator's safety and reliability under various operating conditions.
- Wide Operating Temperature Range: The regulator operates over a temperature range of -40°C to 125°C, making it suitable for a variety of environmental conditions.
- Surface Mount Package: The 8-SOIC package facilitates easy integration into surface mount PCB designs.
Applications
The LP2951ACD-3.3R2 is suitable for various power management applications, including:
- Consumer Electronics: Devices such as smartphones, tablets, and other portable electronics benefit from its low dropout voltage and high accuracy.
- Industrial Equipment: The regulator's wide operating temperature range and robust protection features make it a reliable choice for industrial applications.
- Automotive Systems: Its ability to operate in harsh environments and provide stable voltage regulation makes it suitable for automotive electronics.
- Battery-Powered Devices: The low quiescent current ensures efficient power management in battery-powered devices, extending battery life.
Q & A
- What is the output voltage of the LP2951ACD-3.3R2?
The output voltage of the LP2951ACD-3.3R2 is fixed at 3.3V.
- What is the maximum output current of the LP2951ACD-3.3R2?
The maximum output current is 100mA.
- What is the maximum input voltage for the LP2951ACD-3.3R2?
The maximum input voltage is 30V.
- What is the dropout voltage at 100mA for the LP2951ACD-3.3R2?
The dropout voltage at 100mA is 0.45V.
- What is the quiescent current of the LP2951ACD-3.3R2?
The quiescent current is 120µA.
- What is the operating temperature range of the LP2951ACD-3.3R2?
The operating temperature range is from -40°C to 125°C.
- What package type is the LP2951ACD-3.3R2 available in?
The regulator is available in an 8-SOIC package.
- Does the LP2951ACD-3.3R2 have built-in protection features?
- Is the LP2951ACD-3.3R2 RoHS compliant?
- What are some typical applications for the LP2951ACD-3.3R2?
