Overview
The LP2985-28DBVT is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This IC is designed to provide a stable 2.8V output voltage with a maximum output current of 150mA. It is part of the PMIC - Voltage Regulators - Linear category and is housed in a compact SOT-23-5 package, making it suitable for space-constrained applications. The LP2985-28DBVT is ideal for applications requiring low noise and high precision, such as portable electronics, IoT devices, and industrial automation systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 2.8 | V | Fixed |
| Input Voltage | Up to 16 | V | Maximum |
| Dropout Voltage | 0.28 | V | @ 150mA |
| Output Current | 150 | mA | Minimum |
| Regulator Topology | Positive, Fixed | - | - |
| Number of Regulators | 1 | - | - |
| Operating Temperature | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | SC-74A, SOT-753 |
Key Features
- Low dropout voltage of 0.28V at 150mA ensures efficient operation even with low input voltages.
- Fixed 2.8V output voltage with 1.5% tolerance provides high precision for sensitive applications.
- Low noise output makes it suitable for audio and RF applications.
- Compact SOT-23-5 package enables use in space-constrained designs.
- Wide operating temperature range (-40°C to 125°C) ensures reliability in harsh environments.
Applications
The LP2985-28DBVT is widely used in various applications, including portable electronics, IoT devices, and industrial automation systems. Its low noise and high precision make it particularly suitable for audio and RF applications. Additionally, its compact size and efficient performance make it a preferred choice for battery-powered devices and embedded systems where space and power efficiency are critical.
Q & A
1. What is the maximum input voltage for the LP2985-28DBVT?
The maximum input voltage is 16V.
2. What is the output current capability of this regulator?
The LP2985-28DBVT can deliver up to 150mA of output current.
3. What is the dropout voltage at 150mA?
The dropout voltage is 0.28V at 150mA.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
5. Is the output voltage fixed or adjustable?
The output voltage is fixed at 2.8V.
6. What package does the LP2985-28DBVT come in?
It is available in a SOT-23-5 package.
7. Is this regulator suitable for low-noise applications?
Yes, the LP2985-28DBVT is designed for low-noise performance.
8. Can this regulator be used in battery-powered devices?
Yes, its low dropout voltage and efficiency make it ideal for battery-powered applications.
9. What is the tolerance of the output voltage?
The output voltage has a tolerance of 1.5%.
10. Is the LP2985-28DBVT suitable for industrial applications?
Yes, its wide operating temperature range and reliability make it suitable for industrial environments.
