Overview
The LP2985-29DBVT is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It is designed to provide a fixed output voltage of 2.9V with a maximum output current of 150mA. This component is part of the PMIC (Power Management Integrated Circuit) category, specifically tailored for applications requiring stable and efficient voltage regulation. The LP2985-29DBVT is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. Its key selling points include low dropout voltage, high accuracy, and a wide input voltage range, making it ideal for portable and battery-powered devices.
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 |
| Mounting Type | Surface Mount | - | - |
Key Features
- Fixed output voltage of 2.9V with high accuracy.
- Low dropout voltage of 0.28V at 150mA, ensuring efficient operation.
- Wide input voltage range up to 16V, suitable for various power sources.
- Compact SOT-23-5 package for space-constrained designs.
- Robust performance across a wide temperature range (-40°C to 125°C).
Applications
The LP2985-29DBVT is widely used in applications requiring stable voltage regulation, such as portable electronics, battery-powered devices, and IoT devices. Its low dropout voltage and compact size make it particularly suitable for handheld devices, wearables, and other space-limited applications. Additionally, it is commonly employed in industrial and automotive systems where reliable power management is critical.
Q & A
1. What is the output voltage of the LP2985-29DBVT?
The LP2985-29DBVT provides a fixed output voltage of 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 typically 0.28V at 150mA.
4. What is the output current capability?
The output current is 150mA (minimum).
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LP2985-29DBVT use?
It is available in a SOT-23-5 package.
7. Is this regulator suitable for battery-powered devices?
Yes, its low dropout voltage and efficiency make it ideal for battery-powered applications.
8. Can it be used in automotive applications?
Yes, its robust design and wide temperature range make it suitable for automotive systems.
9. What is the typical application of this component?
It is commonly used in portable electronics, wearables, and IoT devices.
10. Does it require external components for operation?
It requires minimal external components, typically input and output capacitors for stability.
