Overview
The LP2950CZ-3.3RAG is a low-dropout voltage regulator produced by onsemi. This device is part of the LP2950 series, which is designed to maintain proper regulation with an extremely low input-to-output voltage differential. It is particularly suited for applications where low quiescent current and high accuracy are required, making it ideal for battery-powered devices and other power-sensitive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Brand | onsemi | |
| Maximum Output Current | 100 | mA |
| Regulator Type | Low Dropout Voltage | |
| Output Voltage | 3.3 | V |
| Number of Outputs | 1 | |
| Line Regulation | 0.2% | |
| Load Regulation | 0.2% | |
| Accuracy | ±0.5% | |
| Mounting Type | Through Hole | |
| Polarity | Positive | |
| Package Type | TO-92 | |
| Quiescent Current | 75 µA | |
| Reference Voltage | 1.235 V | |
| Pin Count | 3 | |
| Output Type | Fixed | |
| Dimensions | 5.2 x 4.19 x 5.33 mm | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Operating Temperature | +125 °C | |
| Maximum Input Voltage | 30 V |
Key Features
- Low Quiescent Bias Current: The LP2950CZ-3.3RAG features a very low quiescent bias current of 75 µA, which is beneficial for extending battery life in portable devices.
- Low Input-to-Output Voltage Differential: This regulator has a low dropout voltage, typically 50 mV at 100 µA and 380 mV at 100 mA, making it efficient for use in low-voltage applications.
- Tight Line and Load Regulation: The device offers excellent line and load regulation, ensuring stable output voltage across various input and load conditions.
- Internal Current and Thermal Limiting Protection: Built-in protection against overcurrent and overheating enhances the reliability and lifespan of the device.
- Simple Stability Requirements: Only a 1.0 µF output capacitor is required for stability, simplifying the design process.
Applications
The LP2950CZ-3.3RAG is suitable for a variety of applications, including:
- Battery-powered computers and consumer electronics where low power consumption is critical.
- Industrial equipment requiring stable and efficient voltage regulation.
- Portable devices such as handheld instruments and mobile phones.
- Automotive systems where reliability and low quiescent current are essential.
Q & A
- What is the maximum output current of the LP2950CZ-3.3RAG?
The maximum output current is 100 mA.
- What is the output voltage of the LP2950CZ-3.3RAG?
The output voltage is fixed at 3.3 V.
- What is the quiescent current of the LP2950CZ-3.3RAG?
The quiescent current is 75 µA.
- What is the operating temperature range of the LP2950CZ-3.3RAG?
The operating temperature range is from -40 °C to +125 °C.
- What type of package does the LP2950CZ-3.3RAG come in?
The device comes in a TO-92 package.
- Does the LP2950CZ-3.3RAG have built-in protection features?
Yes, it has internal current and thermal limiting protection.
- What is the maximum input voltage for the LP2950CZ-3.3RAG?
The maximum input voltage is 30 V.
- How much output capacitance is required for stability?
Only a 1.0 µF output capacitor is required for stability.
- Is the LP2950CZ-3.3RAG suitable for battery-powered devices?
Yes, it is highly suitable due to its low quiescent current and low dropout voltage.
- What are some common applications for the LP2950CZ-3.3RAG?
Common applications include battery-powered computers, consumer electronics, industrial equipment, and portable devices.
