Overview
The LP2950ACZ-3.3 is a low dropout (LDO) linear voltage regulator produced by onsemi. This device is designed to provide a stable 3.3V output voltage with a maximum output current of 100mA. It is particularly suited for battery-powered devices, consumer electronics, and industrial equipment where extending the useful battery life is crucial. The regulator features a very low quiescent bias current of 75µA and an extremely low input-to-output voltage differential, making it ideal for applications requiring efficient power management.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | onsemi |
| Maximum Output Current | 100mA |
| Regulator Type | Low Dropout Voltage |
| Output Voltage | 3.3 V |
| Number of Outputs | 1 |
| Line Regulation | 0.1% |
| Accuracy | ±0.5% |
| Load Regulation | 0.1% |
| Mounting Type | Through Hole |
| Polarity | Positive |
| Package Type | TO-92 |
| Quiescent Current | 75µA |
| Pin Count | 3 |
| Reference Voltage | 1.235V |
| Output Type | Fixed |
| Dimensions | 5.2 x 4.19 x 5.33mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +125 °C |
| Maximum Input Voltage | 30 V |
| Dropout Voltage | 450mV @ 100mA |
Key Features
- Low quiescent bias current of 75µA
- Low input-to-output voltage differential (50mV at 100µA and 380mV at 100mA)
- Extremely tight line and load regulation
- Requires only a 1.0µF output capacitor for stability
- Internal current and thermal limiting protection
- Pb-free packages available
- NCV prefix for automotive and other applications requiring unique site and control change requirements (AEC-Q100 qualified and PPAP capable)
Applications
The LP2950ACZ-3.3 is ideally suited for battery-powered computer, consumer, and industrial equipment where extending the useful battery life is desirable. It is also applicable in various other scenarios requiring efficient power management and low dropout voltage regulation.
Q & A
- What is the maximum output current of the LP2950ACZ-3.3?
The maximum output current is 100mA. - What is the output voltage of the LP2950ACZ-3.3?
The output voltage is fixed at 3.3V. - What is the quiescent current of the LP2950ACZ-3.3?
The quiescent current is 75µA. - What is the maximum input voltage for the LP2950ACZ-3.3?
The maximum input voltage is 30V. - What type of package does the LP2950ACZ-3.3 come in?
The LP2950ACZ-3.3 comes in a TO-92 package. - What is the operating temperature range for the LP2950ACZ-3.3?
The operating temperature range is -40°C to +125°C. - Does the LP2950ACZ-3.3 have internal protection features?
Yes, it has internal current and thermal limiting protection. - What is the dropout voltage of the LP2950ACZ-3.3 at 100mA?
The dropout voltage is 450mV at 100mA. - Is the LP2950ACZ-3.3 suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications. - What is the line regulation of the LP2950ACZ-3.3?
The line regulation is 0.1%.
