Overview
The LP2985A-29DBVR is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It belongs to the PMIC (Power Management Integrated Circuit) category and is designed to provide a stable 2.9V output voltage with a maximum output current of 150mA. This regulator is ideal for applications requiring low noise and low dropout voltage, making it suitable for portable and battery-powered devices. Its compact SOT-23-5 package ensures easy integration into space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.9 | V | Fixed |
| Input Voltage | Up to 16 | V | Maximum |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | Minimum |
| Regulator Topology | Positive, Fixed | - | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | SC-74A |
Key Features
- Low dropout voltage for efficient operation in low-input voltage scenarios.
- Low noise output, making it suitable for noise-sensitive applications.
- Compact SOT-23-5 package for space-constrained designs.
- Wide input voltage range up to 16V for versatile use.
- Stable output voltage with minimal ripple.
Applications
The LP2985A-29DBVR is widely used in portable electronics, battery-powered devices, and noise-sensitive applications such as audio equipment and medical devices. Its low dropout voltage and stable output make it ideal for powering microcontrollers, sensors, and other low-power components in industrial, automotive, and consumer electronics.
Q & A
1. What is the output voltage of the LP2985A-29DBVR?
The output voltage is fixed at 2.9V.
2. What is the maximum input voltage supported?
The maximum input voltage is 16V.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the maximum output current?
The maximum output current is 150mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985A-29DBVR use?
It uses the SOT-23-5 package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage makes it ideal for battery-powered applications.
8. Can it be used in noise-sensitive applications?
Yes, it features low noise output, making it suitable for such applications.
9. What is the regulator topology?
It uses a positive, fixed topology.
10. What are typical applications for this regulator?
Typical applications include portable electronics, medical devices, and industrial equipment.
