Overview
The LP2985-29DBVR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This component is designed to provide a fixed output voltage of 2.9V with a maximum output current of 150mA. It is part of the LP2985 series, which is known for its low noise and high efficiency, making it suitable for a wide range of applications, including portable and non-portable devices. The LP2985-29DBVR is packaged in a SOT-23-5 form factor, making it ideal for space-constrained designs. Its primary target users include designers of consumer electronics, industrial equipment, and automotive systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - Linear Regulators | - | - |
| Output Voltage | 2.9 | V | Fixed |
| Input Voltage | Up to 16 | V | - |
| Dropout Voltage | 0.28 @ 150mA | V | Typical |
| Output Current | 150 | mA | Minimum |
| Number of Regulators | 1 | - | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | SC-74A, SOT-753 |
| Mounting Type | Surface Mount | - | - |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Fixed output voltage of 2.9V with high accuracy.
- Low dropout voltage of 0.28V (typical) at 150mA, ensuring efficient operation even with low input voltages.
- Wide input voltage range up to 16V, suitable for various power sources.
- Compact SOT-23-5 package, ideal for space-constrained applications.
- Robust performance across a wide temperature range (-40°C to 125°C).
Applications
The LP2985-29DBVR is widely used in applications requiring stable and low-noise voltage regulation. Its primary application fields include:
- Consumer Electronics: Power management in portable devices such as smartphones, tablets, and wearables.
- Industrial Equipment: Voltage regulation in sensors, controllers, and other industrial systems.
- Automotive Systems: Reliable power supply for infotainment systems, sensors, and other automotive electronics.
Q & A
1. What is the output voltage of the LP2985-29DBVR?
The LP2985-29DBVR provides a fixed output voltage of 2.9V.
2. What is the maximum output current of this regulator?
The maximum output current is 150mA.
3. What is the input voltage range for the LP2985-29DBVR?
The input voltage can range up to 16V.
4. What is the typical dropout voltage at 150mA?
The typical dropout voltage is 0.28V at 150mA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985-29DBVR come in?
It is available in a SOT-23-5 package.
7. Is this regulator suitable for automotive applications?
Yes, it is suitable for automotive systems due to its robust performance and wide temperature range.
8. What is the mounting type for this component?
The LP2985-29DBVR is designed for surface mount installation.
9. Does this regulator have any built-in protection features?
Yes, it includes standard protection features such as overcurrent and thermal shutdown.
10. What is the packaging option for this regulator?
It is available in tape and reel (TR) packaging for automated assembly processes.
